Orthoboric acid

Orthoboric acid Structure
Orthoboric acid
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Common Name Orthoboric acid
CAS Number 10043-35-3 Molecular Weight 61.833
Density 1.4±0.1 g/cm3 Boiling Point 219-220 °C (9.7513 mmHg)
Molecular Formula H3BO3 Melting Point 169 °C
MSDSOrthoboric acid MSDS|SDS|pdf download Chinese USA Flash Point N/A
Symbol GHS08
GHS08
Signal Word Danger

 Names

[ Name ]: boric acid
[ Synonym ]: More Synonyms

 Chemical & Physical Properties

[ Density ]: 1.4±0.1 g/cm3
[ Boiling Point ]: 219-220 °C (9.7513 mmHg)
[ Melting Point ]: 169 °C
[ Molecular Formula ]: H3BO3
[ Molecular Weight ]: 61.833
[ Exact Mass ]: 62.017525
[ PSA ]: 60.69000
[ LogP ]: -0.29
[ Index of Refraction ]: 1.385
[ Water Solubility ]: 49.5 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ED4550000
CHEMICAL NAME :
Boric acid
CAS REGISTRY NUMBER :
10043-35-3
LAST UPDATED :
199712
DATA ITEMS CITED :
62
MOLECULAR FORMULA :
B-H3-O3
MOLECULAR WEIGHT :
61.84
WISWESSER LINE NOTATION :
QBQQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
429 mg/kg
TOXIC EFFECTS :
Cardiac - other changes Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Behavioral - fluid intake Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
800 mg/kg/4W-I
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
934 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
1200 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Skin and Appendages - dermatitis, other (after systemic exposure) Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
4 gm/kg/4D
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
2430 mg/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea Skin and Appendages - primary irritation (after topical exposure) Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - conjunctive irritation Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - hypermotility, diarrhea
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
1100 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
170 mg/kg
TOXIC EFFECTS :
Behavioral - wakefulness Behavioral - anorexia (human) Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
147 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2660 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
28 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1400 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1330 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3450 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1740 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1240 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - hypermotility, diarrhea
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1780 mg/kg
TOXIC EFFECTS :
Brain and Coverings - meningeal changes Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Brain and Coverings - meningeal changes Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage)
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
670 mg/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting Gastrointestinal - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1200 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
45 gm/kg/90D-C
TOXIC EFFECTS :
Brain and Coverings - changes in brain weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
68 mg/kg/9W-I
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain Nutritional and Gross Metabolic - changes in calcium Nutritional and Gross Metabolic - changes in phosphorus
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
42 gm/kg/14D-C
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
156 gm/kg/13W-I
TOXIC EFFECTS :
Gastrointestinal - other changes Blood - changes in spleen Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
23 gm/kg/90D-C
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in thyroid weight Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
6600 mg/kg
SEX/DURATION :
female 1-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
45 gm/kg
SEX/DURATION :
male 90 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
5390 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1596 mg/kg
SEX/DURATION :
female 0-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
52 mg/kg
SEX/DURATION :
male 26 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
9600 ug/m3/4H
SEX/DURATION :
male 16 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
7684 mg/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
17051 mg/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
18054 mg/kg
SEX/DURATION :
female 1-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
8136 mg/kg
SEX/DURATION :
female 1-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 7-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3500 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1750 mg/kg
SEX/DURATION :
female 7-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - other effects

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Escherichia coli
DOSE/DURATION :
17000 ppm/24H
REFERENCE :
AMNTA4 American Naturalist. (Univ. of Chicago Press, Journals Div., POB 37005, Chicago, IL 60637) V.1- 1867- Volume(issue)/page/year: 85,119,1951 *** REVIEWS *** TOXICOLOGY REVIEW CLCHAU Clinical Chemistry (Winston-Salem, NC). (American Assoc. for Clinical Chemistry, 1725 K St., NW, Washington, DC 20006) V.1- 1955- Volume(issue)/page/year: 19,361,1973 TOXICOLOGY REVIEW FNSCA6 Forensic Science. (Lausanne, Switzerland) V.1-11, 1972-78. For pub lisher information, see FSINDR. Volume(issue)/page/year: 2,67,1973 TOXICOLOGY REVIEW JOPDAB Journal of Pediatrics. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63141) V.1- 1932- Volume(issue)/page/year: 61,531,1962 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7080 No. of Facilities: 27071 (estimated) No. of Industries: 187 No. of Occupations: 128 No. of Employees: 489668 (estimated) No. of Female Employees: 211838 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X8324 No. of Facilities: 84 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 2919 (estimated) No. of Female Employees: 1712 (estimated)

 Safety Information

[ Symbol ]: GHS08
GHS08
[ Signal Word ]: Danger
[ Hazard Statements ]: H360FD
[ Precautionary Statements ]: P201-P308 + P313
[ Personal Protective Equipment ]: Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ Hazard Codes ]: T:Toxic;
[ Risk Phrases ]: R60
[ Safety Phrases ]: S26-S36-S53-S45
[ RIDADR ]: NONH for all modes of transport
[ WGK Germany ]: 2
[ RTECS ]: ED4550000
[ HS Code ]: 2810002000

 Customs

[ HS Code ]: 2810002000

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