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Phenylmethylsulfonyl fluoride

Phenylmethylsulfonyl fluoride Structure
CAS No.
329-98-6
Chemical Name:
Phenylmethylsulfonyl fluoride
Synonyms
PMSF;PHENYLMETHANESULFONYL FLUORIDE;TOSYL FLUORIDE;α-toluenesulphonyl fluoride;4-METHYLBENZENESULFONYL FLUORIDE;abs9146;PMSF PLUS;PMSF, PMs-F;BCS ASSAY KIT;PMSF solution
CBNumber:
CB9454820
Molecular Formula:
C7H7FO2S
Molecular Weight:
174.19
MOL File:
329-98-6.mol
MSDS File:
SDS
Modify Date:
2024/7/30 16:49:16

Phenylmethylsulfonyl fluoride Properties

Melting point 92-95 °C
Boiling point 112 °C16 mm Hg(lit.)
Density 0.797 g/mL at 20 °C
Flash point 222 °F
storage temp. 2-8°C
solubility dry solvents (ethanol, methanol, and 2-propanol): 200 mM Stock solution are stable for months at 4°C.
form Needles (May Agglomerate)
color White
Water Solubility hydrolysis
Sensitive Moisture Sensitive
Merck 14,7542
BRN 2088311
Stability Moisture Sensitive
InChIKey YBYRMVIVWMBXKQ-UHFFFAOYSA-N
CAS DataBase Reference 329-98-6(CAS DataBase Reference)
EPA Substance Registry System Benzenemethanesulfonyl fluoride (329-98-6)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS05,GHS06
Signal word  Danger
Hazard statements  H301-H314
Precautionary statements  P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  F,T,C
Risk Statements  11-34-25-23/24/25
Safety Statements  7-16-45-36/37/39-28A-26-27
RIDADR  UN 3261 8/PG 2
WGK Germany  3
RTECS  XT8050000
3-10-21
Hazard Note  Highly Toxic/Corrosive
TSCA  T
HazardClass  8
PackingGroup  III
HS Code  29241990
Toxicity LD50 (24 hr) in mice (mg/kg): 215 ±55 i.p. (Pinsky)
NFPA 704
1
3 1

Phenylmethylsulfonyl fluoride price More Price(45)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) P7626 Phenylmethanesulfonyl fluoride ≥98.5% (GC) 329-98-6 250MG ₹2321 2022-06-14 Buy
Sigma-Aldrich(India) P7626 Phenylmethanesulfonyl fluoride ≥98.5% (GC) 329-98-6 1G ₹2479.25 2022-06-14 Buy
Sigma-Aldrich(India) P7626 Phenylmethanesulfonyl fluoride ≥98.5% (GC) 329-98-6 5G ₹6572.65 2022-06-14 Buy
Sigma-Aldrich(India) P7626 Phenylmethanesulfonyl fluoride ≥98.5% (GC) 329-98-6 25G ₹26216.75 2022-06-14 Buy
Sigma-Aldrich(India) P7626 Phenylmethanesulfonyl fluoride ≥98.5% (GC) 329-98-6 100G ₹87818.2 2022-06-14 Buy
Product number Packaging Price Buy
P7626 250MG ₹2321 Buy
P7626 1G ₹2479.25 Buy
P7626 5G ₹6572.65 Buy
P7626 25G ₹26216.75 Buy
P7626 100G ₹87818.2 Buy

Phenylmethylsulfonyl fluoride Chemical Properties,Uses,Production

Chemical Properties

White to cream solid

Uses

Phenylmethylsulfonyl fluoride is used as a Protease inhibitor such as Chymotrypsin, Trypsin and Thrombin as well as Acetylcholineesterase.

Definition

ChEBI: Phenylmethanesulfonyl fluoride is an acyl fluoride with phenylmethanesulfonyl as the acyl group. It has a role as a serine proteinase inhibitor. It derives from a phenylmethanesulfonic acid.

General Description

In biochemistry, Phenylmethylsulfonyl fluoride (PMSF) is a serine protease inhibitor commonly used in preparation of cell lysates. It is rapidly degraded in water and stock solutions are usually made up in anhydrous ethanol, isopropanol, corn oil, or DMSO (Dimethyl sulfoxide).    

Hazard

Extremely corrosive and destructive to tissues. May cause irreversible eye damage. PMSF hydrolyzes upon exposure to water/moisture, liberating a toxic and corrosive gas (hydrogen flouride) that in contact with metal surfaces can generate flammable and/or explosive hydrogen gas.

storage

Phenylmethylsulfonyl fluoride (PMSF) is incompatible with water, acids, bases, and strong oxidizing agents. Do not store PMSF in glass or mild steel/galvanized containers. Store in a cool, dry, and well-ventilated area away from incompatible chemicals.

Purification Methods

Purify PMSF by recrystallisation from *C6H6, pet ether or CHCl3/pet ether. [Davies & Dick J Chem Soc 483 1932, cf Tullock & Coffman J Org Chem 23 2016 1960.] It is a general protease inhibitor (specific for trypsin and chymotrypsin) and is a good substitute for diisopropylphosphoro floridate [Fahrney & Gould J Am Chem Soc 85 997 1963]. [Beilstein 11 III 331.]

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