Ethyl maltol

Modify Date: 2024-01-02 09:35:41

Ethyl maltol Structure
Ethyl maltol structure
 Common Name Ethyl maltol
CAS Number 4940-11-8 Molecular Weight 140.137
Density 1.3±0.1 g/cm3 Boiling Point 290.3±40.0 °C at 760 mmHg
Molecular Formula C7H8O3 Melting Point 85-95 °C(lit.)
MSDS Chinese USA Flash Point 124.8±20.8 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Use of Ethyl maltol


Ethyl maltol (2-Ethyl-3-hydroxy-4H-pyran-4-one) is an odor-active (OA) compound[1].

 Names

Name 2-Ethyl-3-hydroxy-4H-pyran-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 290.3±40.0 °C at 760 mmHg
Melting Point 85-95 °C(lit.)
Molecular Formula C7H8O3
Molecular Weight 140.137
Flash Point 124.8±20.8 °C
Exact Mass 140.047348
PSA 50.44000
LogP 0.61
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.541

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ0840000
CHEMICAL NAME :
4H-Pyran-4-one, 2-ethyl-3-hydroxy-
CAS REGISTRY NUMBER :
4940-11-8
BEILSTEIN REFERENCE NO. :
1618110
LAST UPDATED :
199712
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C7-H8-O3
MOLECULAR WEIGHT :
140.15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1150 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 - mouse
DOSE/DURATION :
780 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 :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
910 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 :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/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 :
Bird - chicken
DOSE/DURATION :
1270 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
90 gm/kg/90D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
2 mg/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 67,367,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T2072 No. of Facilities: 193 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 4632 (estimated) No. of Female Employees: 1504 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Precautionary Statements P301 + P312 + P330
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R22
Safety Phrases S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS UQ0840000
HS Code 2932999099

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles11

More Articles
Perceptual blending in odor mixtures depends on the nature of odorants and human olfactory expertise.

Chem. Senses 37(2) , 159-66, (2012)

Our olfactory system is confronted with complex mixtures of odorants, often recognized as single entities due to odor blending (e.g., coffee). In contrast, we are also able to discriminate odors from ...
Vanadium treatment of type 2 diabetes: A view to the future

J. Inorg. Biochem. 103(4) , 554-8, (2009)

3-Hydroxy-2-methyl-4-pyrone and 2-ethyl-3-hydroxy-4-pyrone (maltol and ethyl maltol, respectively) have proven especially suitable as ligands for vanadyl ions, in potential insulin enhancing agents fo...
Reversed-phase high-performance liquid chromatography of non-transferrin-bound iron and some hydroxypyridone and hydroxypyrone chelators.

J. Chromatogr. B, Biomed. Appl. 658(1) , 121-7, (1994)

The pursuit of orally available Fe(III) chelating agents has resulted in several clinical trials of 1,2-dimethyl-3-hydroxypyrid-4-one (CP20). Chromatography of this and related Fe chelators on silica-...

 Synonyms

2-Ethyl-3-hydroxy-4-pyrone
EINECS 225-582-5
2-Ethyl-3-hydroxy-4H-pyran-4-one
MFCD00059795
2-Ethyl pyromeconic acid
4H-Pyran-4-one, 2-ethyl-3-hydroxy-
Ethyl maltol
Veltol plus
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