Product Name

  • Name

    2-CHLOROETHYL METHANESULFONATE

  • EINECS 222-672-6
  • CAS No. 3570-58-9
  • Article Data16
  • CAS DataBase
  • Density 1.39 g/mL at 25 °C(lit.)
  • Solubility
  • Melting Point 6 °C
  • Formula C3H7 Cl O3 S
  • Boiling Point 125-126 °C9 mm Hg(lit.)
  • Molecular Weight 158.606
  • Flash Point >230 °F
  • Transport Information UN 2810 6
  • Appearance
  • Safety Poison by ingestion, intravenous, and intraperitoneal routes. Experimental reproductive effects. Mutation data reported. See also SULFONATES. When heated to decomposition it emits very toxic fumes of Cl− and SOx.
  • Risk Codes 20/21/22-40
  • Molecular Structure Molecular Structure of 3570-58-9 (2-CHLOROETHYL METHANESULFONATE)
  • Hazard Symbols HarmfulXn
  • Synonyms Ethanol,2-chloro-, methanesulfonate (7CI,8CI,9CI);Methanesulfonic acid, 2-chloroethylester (6CI);2-Chloroethyl mesylate;2-Chloroethyl methanesulfonate;CB 1506;NSC 18016;
  • PSA 51.75000
  • LogP 1.28220

2-Chloroethyl methanesulfonate Chemical Properties

Molecular Structure of 2-Chloroethyl methanesulfonate (CAS NO.3570-58-9):

EINECS: 222-672-6
IUPAC Name: 2-Chloroethyl methanesulfonate 
Molecular Formula: C3H7ClO3S
Molecular Weight: 158.603880 g/mol
XLogP3-AA: 0.2
H-Bond Donor: 0
H-Bond Acceptor: 3
Canonical SMILES: CS(=O)(=O)OCCCl
InChI: InChI=1S/C3H7ClO3S/c1-8(5,6)7-3-2-4/h2-3H2,1H3
InChIKey: FMMYTRQXHORTCU-UHFFFAOYSA-N
Index of Refraction: 1.448
Molar Refractivity: 31.32 cm3
Molar Volume: 116.8 cm3
Surface Tension: 39.4 dyne/cm
Density: 1.357 g/cm3
Flash Point: 123 °C
Enthalpy of Vaporization: 48.39 kJ/mol
Boiling Point: 266.2 °C at 760 mmHg
Vapour Pressure: 0.0144 mmHg at 25 °C
Melting Point: 6 °C
Water Solubility: 5.852e+004 mg/L at 25 °C
Refractive Index: n20/D 1.456(lit.)

2-Chloroethyl methanesulfonate Toxicity Data With Reference

1.    

dnd-dmg-par 10,500 µmol/L

     CNREA8    Cancer Research. 30 (1970),195.
2.    

sln-dmg-par 15 mmol/L

     ANYAA9    Annals of the New York Academy of Sciences. 68 (1958),731.
3.    

mmo-nsc 100 mmol/L

     MGBUA3    Microbial Genetics Bulletin. 17 (1960),5.
4.    

mmo-ssp 8 mmol/L

     ADWMAX    ADWMAX Abhandlungen der Deutschen Akademie der Wissenschaften zu Berlin, Klasse fuer Medizin .Berlin, Ger. Dem. Rep..: 1962,193.
5.    

ipr-rat LD50:135 mg/kg

     CNCRA6    Cancer Chemotherapy Reports. 9 (1960),56.
6.    

ivn-rat LD50:143 mg/kg

     CNCRA6    Cancer Chemotherapy Reports. 9 (1960),56.
7.    

ipr-mus LD50:182 mg/kg

     CNCRA6    Cancer Chemotherapy Reports. 9 (1960),56.
8.    

ivn-mus LD50:182 mg/kg

     CNCRA6    Cancer Chemotherapy Reports. 9 (1960),56.
9.    

ivn-dog LDLo:32 mg/kg

     CCSUBJ    Cancer Chemotherapy Reports, Part 2. 2 (1965),203.
10.    

ivn-mky LD50:127 mg/kg

     CNCRA6    Cancer Chemotherapy Reports. 9 (1960),56.
11.    

2-Chloroethyl methanesulfonate Consensus Reports

EPA Genetic Toxicology Program.

2-Chloroethyl methanesulfonate Safety Profile

Safety Information of 2-Chloroethyl methanesulfonate (CAS NO.3570-58-9):
Hazard Codes: Xn Harmful
Risk Statements: 20/21/22-40
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed
R40:Limited evidence of a carcinogenic effect
Safety Statements: 23-36/37/39-45
S23:Do not breathe vapour
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 3
RTECS: KK1960000
Poison by ingestion, intravenous, and intraperitoneal routes. Experimental reproductive effects. Mutation data reported. See also SULFONATES. When heated to decomposition it emits very toxic fumes of Cl− and SOx.

2-Chloroethyl methanesulfonate Specification

  2-Chloroethyl methanesulfonate with CAS registry number of 3570-58-9 is known as 2-Chloroethylmethanesulfonate ; 2-Chloroethylmethanesulfonate, puriss ; 4-04-00-00012 (Beilstein Handbook Reference) ; AI3-26395 ; CB 1506 ; Chloroethyl methanesulfonate ; Chloroethyl methanesulphonate ; Methanesulfonic acid, 2-chloroethyl ester ; Methanesulfonic acid, chloroethyl ester ; NSC 18016 ; beta-Chloroethylmethanesulfonate ; Ethanol, 2-chloro-, methanesulfonate .

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