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70-49-5

70-49-5 structure
70-49-5 structure

Name thiomalic acid
Synonyms 2-thiomalic acid
Mercaptobutanedioic Acid
DL-Mercaptosuccinic acid
2-sulfanylbutanedioic acid
Thiomalic acid
EINECS 200-736-4
Mercaptosuccinic acid
Butanedioic acid, 2-mercapto-
2-Sulfanylsuccinic acid
2-mercaptosuccinic acid
MFCD00004860
Density 1.5±0.1 g/cm3
Boiling Point 256.3±30.0 °C at 760 mmHg
Melting Point 155-157 °C(lit.)
Molecular Formula C4H6O4S
Molecular Weight 150.153
Flash Point 108.8±24.6 °C
Exact Mass 149.998672
PSA 113.40000
LogP 0.35
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.556
Storage condition 2-8°C
Water Solubility 150 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WM8225000
CHEMICAL NAME :
Succinic acid, mercapto-
CAS REGISTRY NUMBER :
70-49-5
BEILSTEIN REFERENCE NO. :
1099858
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C4-H6-O4-S
MOLECULAR WEIGHT :
150.16
WISWESSER LINE NOTATION :
SHYVQ1VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R22;R36/37/38
Safety Phrases S26-S36-S36/37/39
RIDADR 1759
WGK Germany 3
RTECS WM8225000
Packaging Group III
Hazard Class 8
HS Code 2930909090
HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%