L-(+)Sodium glutamate

Modify Date: 2024-01-02 20:15:15

L-(+)Sodium glutamate Structure
L-(+)Sodium glutamate structure
Common Name L-(+)Sodium glutamate
CAS Number 142-47-2 Molecular Weight 169.111
Density N/A Boiling Point 333.8ºC at 760 mmHg
Molecular Formula C5H8NNaO4 Melting Point 232°C
MSDS Chinese USA Flash Point 155.7ºC

 Use of L-(+)Sodium glutamate


L-Glutamic acid monosodium salt (Monosodium glutamate) is an activator of mGlu1 receptor.

 Names

Name monosodium L-glutamate
Synonym More Synonyms

 L-(+)Sodium glutamate Biological Activity

Description L-Glutamic acid monosodium salt (Monosodium glutamate) is an activator of mGlu1 receptor.
Related Catalog
Target

mGlu1 receptor[1]

In Vivo A single systemic injection of L-Glutamic acid monosodium salt (MSG) (3 g/kg) to PND9 mice causes extensive retinal degeneration and reduces the number of Brn-3a+RGCs by >70% with respect to control mice treated with saline; In mice treated with L-Glutamic acid monosodium salt and JNJ16259685, the number of RGC is reduced by only <20%, and the resulting value is not significantly different from values obtained in all other groups of mice, including control mice. L-Glutamic acid monosodium salt administration to wild-type BALB/c littermates reduces RGC number to a lower extent than in C57BL/6J mice, but the reduction is still highly significant[1].
Animal Admin For toxicity experiments, mice at PND9 (n=3-9 mice per group) are treated as follows. Two groups receive a subcutaneous (s.c.) injection of corn oil, following, 30 min later, by s.c. injection of either saline or L-Glutamic acid monosodium salt (3 g/kg); two additional groups are treated with 3,4-dihydro-2 H-pyrano[2,3-b]quinolin-7-yl-(cis-4-methoxycyclohexyl)-methanone, dissolving in corn oil (2.5 mg/kg) following, 30 min later, by a s.c. injection of either saline or L-Glutamic acid monosodium salt. In another set of experiments, four groups of crv4 mice or their wild-type littermates (n=5-7 mice per group) are injected s.c. with either saline or L-Glutamic acid monosodium salt (3 g/kg)[1].
References

[1]. Liberatore F, et al. Permissive role for mglu1 metabotropic glutamate receptors in excitotoxic retinal degeneration. Neuroscience. 2017 Sep 14. pii: S0306-4522(17)30640-1.

 Chemical & Physical Properties

Boiling Point 333.8ºC at 760 mmHg
Melting Point 232°C
Molecular Formula C5H8NNaO4
Molecular Weight 169.111
Flash Point 155.7ºC
Exact Mass 169.035110
PSA 103.45000
Vapour Pressure 2.55E-05mmHg at 25°C
Index of Refraction 25 ° (C=10, 2mol/L HCl)
Water Solubility >=10 g/100 mL at 20 ºC

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MA1575000
CHEMICAL NAME :
Glutamic acid, monosodium salt, L-(+)-
CAS REGISTRY NUMBER :
142-47-2
LAST UPDATED :
199701
DATA ITEMS CITED :
35
MOLECULAR FORMULA :
C5-H8-N-O4.Na
MOLECULAR WEIGHT :
169.13
WISWESSER LINE NOTATION :
QVYZ2VO &-NA- -L

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
NEJMAG New England Journal of Medicine. (Massachusetts Medical Soc., 10 Shattuck St., Boston, MA 02115) V.198- 1928- Volume(issue)/page/year: 305,1154,1981
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
43 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - hallucinations, distorted perceptions Gastrointestinal - nausea or vomiting
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 36(9),364,1971
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
3571 ug/kg
TOXIC EFFECTS :
Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823- Volume(issue)/page/year: 1,988,1987
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Human
DOSE/DURATION :
714 ug/kg
TOXIC EFFECTS :
Behavioral - headache
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 163,826,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
16600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRPPAO Farmaco, Edizione Pratica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 27,19,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4253 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - tetany
REFERENCE :
HSZPAZ Hoppe-Seyler's Zeitschrift fuer Physiologische Chemie. (Walter de Gruyter, Inc., 200 Saw Mill River Rd., Hawthorne, NY 10532) V.21- 1895/96- Volume(issue)/page/year: 300,97,1955
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5580 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - ataxia Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 15,433,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3300 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - ataxia
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 15,433,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
11400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 227,214,1955
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 227,214,1955
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
8200 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - excitement
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 15,433,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
30 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FAONAU FAO Nutrition Meetings Report Series. (Rome, Italy) No.?-57, 1948-77. Discontinued. Volume(issue)/page/year: 53A,424,1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EbeAG# Personal Communication from A.G. Ebert, International Glutamate Technical Committee, 85 Walnut St., Watertown, MA 02172, Nov. 19, 1973 Volume(issue)/page/year: 19NOV1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
15 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FAONAU FAO Nutrition Meetings Report Series. (Rome, Italy) No.?-57, 1948-77. Discontinued. Volume(issue)/page/year: 53A,424,1974 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
24 mg/kg/6D-I
TOXIC EFFECTS :
Endocrine - hyperglycemia Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Metabolism (Intermediary) - lipids including transport
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 45,195,1989 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1315 gm/kg
SEX/DURATION :
multigenerations
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - hepatobiliary system Reproductive - Effects on Newborn - biochemical and metabolic
REFERENCE :
EXPEAM Experientia. (Birkhaeuser Verlag, POB 133, CH-4010 Basel, Switzerland) V.1- 1945- Volume(issue)/page/year: 28,260,1972
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
48 gm/kg
SEX/DURATION :
female 14 day(s) pre-mating - 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - behavioral
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 50,267,1979
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
19500 mg/kg
SEX/DURATION :
multigenerations
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - cytological changes (including somatic cell genetic material)
REFERENCE :
QUNUAZ Quaderni della Nutrizione. Notes on Nutrition. (North Cohocton, NY) V.1-31, 1934-71. Discontinued. Volume(issue)/page/year: 31,85,1971
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
140 gm/kg
SEX/DURATION :
female 7-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - behavioral Reproductive - Effects on Newborn - other postnatal measures or effects
REFERENCE :
IJNUB7 International Journal of Neuroscience. (Gordon & Breach Science Pub. S.A., 50 W. 23rd St., New York, NY 10010) V.1- 1970- Volume(issue)/page/year: 23,117,1984
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
40 gm/kg
SEX/DURATION :
female 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - menstrual cycle changes or disorders
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 4,359,1979
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
40 gm/kg
SEX/DURATION :
male 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 4,359,1979
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
1 gm/kg
SEX/DURATION :
male 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - other effects on male
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 1,207,1978
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
34100 mg/kg
SEX/DURATION :
male 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
REFERENCE :
NETOD7 Neurobehavioral Toxicology. (Fayetteville, NY) V.1-2, 1979-80. For publisher information, see NTOTDY. Volume(issue)/page/year: 1,1,1979
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
5104 mg/kg
SEX/DURATION :
female 17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
REFERENCE :
SEIJBO Senten Ijo. Congenital Anomalies. (Nippon Senten Ijo Gakkai, c/o Kinki Daigaku Igakubu Kaibagaku Kyoshitsu, 380 Nishiyama, Sayama-cho, Mirami-Kawachi-gun, Osaka-fu, Japan) V.1-26, 1960-86. For publisher information, see CGANE7. Volume(issue)/page/year: 14,77,1974
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
5104 mg/kg
SEX/DURATION :
female 16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth)
REFERENCE :
SEIJBO Senten Ijo. Congenital Anomalies. (Nippon Senten Ijo Gakkai, c/o Kinki Daigaku Igakubu Kaibagaku Kyoshitsu, 380 Nishiyama, Sayama-cho, Mirami-Kawachi-gun, Osaka-fu, Japan) V.1-26, 1960-86. For publisher information, see CGANE7. Volume(issue)/page/year: 14,77,1974
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
15 gm/kg
SEX/DURATION :
female 6 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - parturition
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 3,264,1978
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
58 gm/kg
SEX/DURATION :
male 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 27,69A,1983
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
16 gm/kg
SEX/DURATION :
female 2 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
REFERENCE :
BIREBV Biology of Reproduction. (Soc. for the Study of Reproduction, 309 W. Clark St., Champaign, IL 61820) V.1- 1969- Volume(issue)/page/year: 22,687,1980
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
8 gm/kg
SEX/DURATION :
female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
BIREBV Biology of Reproduction. (Soc. for the Study of Reproduction, 309 W. Clark St., Champaign, IL 61820) V.1- 1969- Volume(issue)/page/year: 17,404,1977
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
20 gm/kg
SEX/DURATION :
female 5 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - oogenesis
REFERENCE :
BIREBV Biology of Reproduction. (Soc. for the Study of Reproduction, 309 W. Clark St., Champaign, IL 61820) V.1- 1969- Volume(issue)/page/year: 14,362,1976 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82886 No. of Facilities: 1087 (estimated) No. of Industries: 7 No. of Occupations: 11 No. of Employees: 21247 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82886 No. of Facilities: 2623 (estimated) No. of Industries: 18 No. of Occupations: 42 No. of Employees: 60341 (estimated) No. of Female Employees: 22829 (estimated)

 Safety Information

Hazard Codes O
Risk Phrases R20/21/22
WGK Germany 2
RTECS MA1578000
HS Code 2922422000

 Synthetic Route

~%

L-(+)Sodium glutamate Structure

L-(+)Sodium glu...

CAS#:142-47-2

Literature: US2004/225133 A1, ; Page 7-8 ;

 Customs

HS Code 2922499990
Summary HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

 Synonyms

MSG
MFCD00013074
Glutamate monosodium salt
L-GLUTAMIC ACID SODIUM SALT
monosodium-l-glutamate
Sodium (2S)-2-ammoniopentanedioate
L-(+)Sodium Glutamate
L-Glutamic acid monosodium salt
(S)-2-Aminopentanedioic acid,L-Glutamic acid monosodium salt,Glu
Glutamic acid, monosodium salt, L-
L-Sodium glutamate hydrate
Monosodium glutamate
sodium L-glutamate
EINECS 205-538-1
L-Glutamic acid, sodium salt
Glutamic acid, monosodium salt, L-(+)-
L-Glutamic acid monosodium salt hydrate
Glutamic acid sodium salt
sodium glutamate
Glutamic acid, monosodium salt
L-Glutamic acid, monosodium salt
L-Glutamic acid, sodium salt (1:1)
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