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156-72-9

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Basic Information
CAS No.: 156-72-9
Name: Methylene dimethanesulfonate
Molecular Structure:
Molecular Structure of 156-72-9 (Methylene dimethanesulfonate)
Formula: C3H8 O6 S2
Molecular Weight: 204.23
Synonyms: MDMS;Methanediol,dimethanesulfonate (7CI,8CI,9CI);Methylene bis(methanesulfonate);Methylene dimethanesulfonate;NSC 171337;Methanesulfonic acid, methylene ester;
Density: 1.537g/cm3
Boiling Point: 428.3°C at 760 mmHg
Flash Point: 212.8°C
Safety: Poison by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of SOx. See also SULFONATES.
PSA: 103.50000
LogP: 1.05790
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Chemistry

The Molecular Structure of  Methylene dimethanesulfonate (CAS NO.156-72-9):
Molecular Formula: C3H8O6S2
Molecular Weight: 204.222
IUPAC: methylsulfonyloxymethyl methanesulfonate
ACD/LogP: -1.21  
ACD/LogD (pH 5.5): -1.21 
ACD/LogD (pH 7.4): -1.21 
ACD/BCF (pH 5.5): 1 
ACD/BCF (pH 7.4): 1 
ACD/KOC (pH 5.5): 5.24 
ACD/KOC (pH 7.4): 5.24 
Index of Refraction: 1.469 
Molar Refractivity: 37.04 cm3 
Molar Volume: 132.8 cm3 
Surface Tension: 52.2 dyne/cm 
Density: 1.537 g/cm3 
Flash Point: 212.8 °C 
Enthalpy of Vaporization: 65.69 kJ/mol 
Boiling Point: 428.3 °C at 760 mmHg 
Vapour Pressure: 3.84E-07 mmHg at 25°C 

Toxicity Data With Reference

1.    

dnd-rat-unr 25 mg/kg

     CBINA8    Chemico-Biological Interactions. 7 (1973),265.
2.    

dlt-rat-ipr 15 mg/kg

     CCPTAY    Contraception. 13 (1976),639.
3.    

dni-mus:oth 5 mg/L

     CBINA8    Chemico-Biological Interactions. 11 (1975),501.
4.    

msc-mus:lym 50 µmol/L

     MUREAV    Mutation Research. 25 (1974),107.
5.    

dnd-mam:oth 250 µmol/L

     CBINA8    Chemico-Biological Interactions. 38 (1981),119.
6.    

ipr-rat LD50:25 mg/kg

     BJPCAL    British Journal of Pharmacology and Chemotherapy. 24 (1965),24.

Consensus Reports

EPA Genetic Toxicology Program.

Safety Profile

Poison by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of SOx. See also SULFONATES.

Specification

Methylene dimethanesulfonate (CAS NO.156-72-9) is also called as 4-04-00-00022(Beilstein Handbook Reference) ; AI3-51799 ; BRN 1785371 ; ENT-51799 ; MDMS ; Methanesulfonic acid,methylene ester ; Methylene bis(methanesulfonate) ; Methylene dimethane sulfonate ; Methylene dimethanesulfonate; NSC 171337 .