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Cas Database

Name	Chloromethanesulfonyl chloride	EINECS	222-526-1
CAS No.	3518-65-8	Density	1.677 g/cm³
PSA	42.52000	LogP	1.83210
Solubility	It is soluble in dichloromethane, pyridine, and most organic solvents. It is insoluble in water.	Melting Point	N/A
Formula	CH₂Cl₂O₂S	Boiling Point	197.8 °C at 760 mmHg
Molecular Weight	148.998	Flash Point	73.4 °C
Transport Information	UN 3265 8/PG 2	Appearance	N/A
Safety	26-36/37/39-45	Risk Codes	22-34
Molecular Structure		Hazard Symbols	C, Xi
Synonyms	Methanesulfonylchloride, chloro- (6CI,7CI,8CI,9CI);(Chloromethyl)sulfonyl chloride;	Article Data	33

Chloromethanesulfonyl chloride Synthetic route

: 4431-79-2
bis(benzylthio)methane

A: 3518-65-8
monochloromethanesulfonyl chloride

B: 140-11-4
Benzyl acetate

C: 100-44-7
benzyl chloride

Conditions

Conditions	Yield
With water; chlorine; acetic acid In water at 20 - 30℃; for 2h;	A 53.6% B 9.8% C 73.9%

: 4431-79-2
bis(benzylthio)methane

A: 3518-65-8
monochloromethanesulfonyl chloride

B: 140-11-4
Benzyl acetate

C: 100-44-7
benzyl chloride

D: 1939-99-7
benzenesulfonyl chloride

Conditions

Conditions	Yield
With water; chlorine In acetic acid Product distribution; other methyl substituted bis(thiobenzyl) methane derivatives; other products;	A 53.6% B 9.8% C 73.9% D 38%

: 291-21-4
[1,3,5]trithiane

: 3518-65-8
monochloromethanesulfonyl chloride

Conditions

Conditions	Yield
With potassium chlorate In hydrogenchloride for 5h; Ambient temperature;	62%
With chlorine; acetic acid
With hydrogenchloride; potassium chlorate

: 3970-13-6
benzyl chloromethyl sulfide

A: 3518-65-8
monochloromethanesulfonyl chloride

B: 140-11-4
Benzyl acetate

C: 100-44-7
benzyl chloride

D: 1939-99-7
benzenesulfonyl chloride

Conditions

Conditions	Yield
With water; chlorine; acetic acid at 20 - 30℃; for 2h;	A 54% B 16% C 38% D 9.4%

: 3970-13-6
benzyl chloromethyl sulfide

: 64-19-7
acetic acid

A: 3518-65-8
monochloromethanesulfonyl chloride

B: 140-11-4
Benzyl acetate

C: 100-44-7
benzyl chloride

D: 1939-99-7
benzenesulfonyl chloride

Conditions

Conditions	Yield
With chlorine In water at 20 - 30℃; for 2h;	A 54% B 16% C 38% D 9.4%

...Expand

: 50-00-0
formaldehyd

: 3518-65-8
monochloromethanesulfonyl chloride

Conditions

Conditions	Yield
With hydrogenchloride; chlorine; sodium thiosulfate In water at -10℃; for 1.5h;	28%
With hydrogenchloride; formaldehyd; hydrogen sulfide 2.) glacial acetic acid, water, 30 deg C, 3-4 h; Yield given. Multistep reaction;
With hydrogenchloride; formaldehyd; hydrogen sulfide; water anschliessendes Behandeln bei -15grad mit Chlor;

: 26826-80-2
chloromethanesulfenyl chloride

: 3518-65-8
monochloromethanesulfonyl chloride

Conditions

Conditions	Yield
With dihydrogen peroxide; acetic acid
With chlorine

: 34557-54-5
methane

: 3518-65-8
monochloromethanesulfonyl chloride

Conditions

Conditions	Yield
With sulfur dioxide; chlorine bei der Einwirkung von hochfrequenten elektrischen Entladungen;

: 10352-63-3
chloromethyl sodium sulfonate

: 3518-65-8
monochloromethanesulfonyl chloride

Conditions

Conditions	Yield
With phosphorus pentachloride; trichlorophosphate
With phosphorus pentachloride (heating);
Stage #1: sodium chloromethanesulfonate With phosphorus pentachloride at 130℃; for 1.25h; Cooling with ice; Stage #2: With water for 1h; Cooling with ice;

: 124-63-0
methanesulfonyl chloride

: 3518-65-8
monochloromethanesulfonyl chloride

Conditions

Conditions	Yield
With pyridine; sulfuryl dichloride In tetrachloromethane

Chloromethanesulfonyl chloride Chemical Properties

Product Name: Chloromethanesulfonyl chloride (3518-65-8)
CAS: 3518-65-8
Synonyms: Chlorid kyseliny Chlormethansulfonove ; Chloridkyselinychlormethansulfonove ; Chlormethansulfochlorid ; Chlormethansulfonylchlorid ; chloro-methanesulfonylchlorid ; Methanesulfonyl chloride, chloro- ; Rarechem aw ha 0004 ; Cmsc

MF: CH₂Cl₂O₂S
MW: 149
Molecular Structure:
EINECS: 222-526-1
Product Categories:
Mol File: 3518-65-8.mol
BP: 80-81°C
Density 1.64 g/mL at 20 °C(lit.)
Refractive index : 1.488
Sensitive: Moisture Sensitive
Surface Tension: 46.5 dyne/cm
Density: 1.677 g/cm3
Flash Point: 73.4 °C
Enthalpy of Vaporization: 41.62 kJ/mol
Boiling Point: 197.8 °C at 760 mmHg
Vapour Pressure: 0.524 mmHg at 25°C

Chloromethanesulfonyl chloride Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	372mg/kg (372mg/kg)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1070, 1986.

Chloromethanesulfonyl chloride Safety Profile

Hazard Codes: C,Xi
Risk Statements : 22-34
22: Chloromethanesulfonyl chloride (3518-65-8) is harmful if swallowed
34: Chloromethanesulfonyl chloride (3518-65-8) causes burns
Safety Statements: 26-36/37/39-45
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Chloromethanesulfonyl chloride (3518-65-8) used,wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR: UN 3265 8/PG 2
WGK Germany : 3
RTECS: PB2800000
F: 10-21
Hazard Note: Corrosive
HazardClass: 8
PackingGroup: I

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