METHYL FLUOROSULFONATE

Modify Date: 2025-08-25 18:48:50

METHYL FLUOROSULFONATE structure	Common Name	METHYL FLUOROSULFONATE
	CAS Number	421-20-5	Molecular Weight	114.09600
	Density	1.45	Boiling Point	93 °C
	Molecular Formula	CH₃FO₃S	Melting Point	-95 °C
	MSDS	N/A	Flash Point	10ºC

Name	Methyl Fluorosulfonate
Synonym	More Synonyms

Density	1.45
Boiling Point	93 °C
Melting Point	-95 °C
Molecular Formula	CH₃FO₃S
Molecular Weight	114.09600
Flash Point	10ºC
Exact Mass	113.97900
PSA	51.75000
LogP	0.92790
Vapour Pressure	57.3mmHg at 25°C
Index of Refraction	1.363

METHYL FLUOROSULFONATE MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LP0720000

CHEMICAL NAME :: Fluorosulfuric acid, methyl ester

CAS REGISTRY NUMBER :: 421-20-5

BEILSTEIN REFERENCE NO. :: 1098714

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C-H3-F-O3-S

MOLECULAR WEIGHT :: 114.10

WISWESSER LINE NOTATION :: WSFO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Rinsed with water

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5 ppm/1H

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 112 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 455 mg/kg

TOXIC EFFECTS :: Skin and Appendages - corrosive (after topical exposure)

MUTATION DATA

TYPE OF TEST :: Morphological transformation

TEST SYSTEM :: Rodent - hamster Kidney

DOSE/DURATION :: 25 ug/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 51,285,1978

Hazard Codes	C
Risk Phrases	R34
Safety Phrases	S26-S36/37/39
RIDADR	3265
RTECS	LP0720000
HS Code	2915900090

HS Code	2915900090
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

fluorosulfonyloxymethane

Fluorosulfuric Acid Methyl Ester

METHYL FLUOROSULFONATE

MFCD00014721

Methyl Fluorosulfate

EINECS 207-004-3

Fluorosulfonic Acid Methyl Ester

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: METHYL FLUOROSULFONATE
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methyl fluorosulfonate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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METHYL FLUOROSULFONATE

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

Synthetic Route

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.