CAS No.67-21-0,DL-ETHIONINE Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	67-21-0
Name:	DL-ETHIONINE
Article Data:	11

Formula:	C6H13 N O2 S
Molecular Weight:	163.241
Synonyms:	Butyricacid, 2-amino-4-(ethylthio)-, DL- (8CI); Butyric acid, a-amino-g-(ethylmercapto)- (4CI);DL-Homocysteine, S-ethyl-; (?à)-Ethionine; CN 8676; DL-2-Amino-4-(ethylthio)butyric acid; DL-Ethionine;NSC-751; S-Ethyl-DL-homocysteine; dl-Ethionine
Density:	1.164
Melting Point:	265-268 °C
Boiling Point:	550.1oC at 760 mmHg
Flash Point:	286.5oC
Solubility:	Soluble in water.
Hazard Symbols:	R40:Possible risks of irreversible effects.;
Risk Codes:	R40;
Safety:	Mildly toxic by ingestion and intraperitoneal routes. Suspected carcinogen with experimental carcinogenic and tumorigenic data. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of SO_x and NO_x.
PSA:	88.62000
LogP:	1.24180

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Chemistry

IUPAC: (2R)-2-azaniumyl-4-ethylsulfanylbutanoate
MF: C₆H₁₃NO₂S
MW: 163.24
EINECS: 200-647-0
MP: 265-268 °C
General Description :White crystalline flakes
Synonyms: DL-ETHIONINE ; DL-2-AMINO-4-(ETHYLTHIO)BUTYRIC ACID ; 2-AMINO-4-ETHYLMERCAPTOBUTYRIC ACID ; 2-AMINO-4-(ETHYLTHIO) BUTYRIC ACID ; S-ETHYL-DL-HOMOCYSTEINE ; (.+/-.)-Ethionine;(+-)-ethionine ;)-Ethionine
Storage temp: 20°C
dl-ETHIONINE (67-21-0) ;its Boiling Point is 310.4 °C at 760 mmHg; its Vapour Pressure: 0.000133 mmHg at 25°C; its Density is 1.164 g/cm³
Index of Refraction: 1.523
Enthalpy of Vaporization: 60.62 kJ/mol
Molar Volume: 140.2 cm³
Polarizability: 17 10-24cm³Following is the molecular structure of dl-ETHIONINE (67-21-0):

Toxicity Data With Reference

1.	otr-rat:lvr 7500 µmol/L/12W-C	ITCSAF In Vitro. 20 (1984),291.
2.	otr-mus:emb 9200 µmol/L	MUREAV Mutation Research. 152 (1985),113.
3.	orl-rat LDLo:5000 mg/kg	CNREA8 Cancer Research. 26 (1966),619.
4.	ipr-mus LD50:4250 mg/kg	NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. 62 (1966),333.

Consensus Reports

EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion and intraperitoneal routes. Suspected carcinogen with experimental carcinogenic and tumorigenic data. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of SO_x and NO_x.
Safety Information of dl-ETHIONINE (67-21-0):
Hazard Codes Xi
Xi :Irritant

Risk Statements :36/37/38 ( Irritating to eyes, respiratory system and skin )
Safety Statements : 26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
WGK Germany :3
RTECS :ES6825200

Specification

Health Hazard :ACUTE/CHRONIC HAZARDS: When heated to decomposition DL-ETHIONINE :emits toxic fumes of NOx and SOx.
Fire Hazard :Flash point data for DL-ETHIONINE are not available; however, DL-ETHIONINE is probably combustible.