Agent Name

Thionyl fluoride

CAS Number

7783-42-8

Formula

F2-O-S

Major Category

Toxic Gases & Vapors

Synonyms

Fluorure de thionyle [French]; Sulfur difluoride monoxide; Sulfur difluoride oxide; Sulfurous oxyfluoride; Thionyl difluoride; [ChemIDplus]

Category

Acid Halides

Description

Colorless gas with suffocating odor; Stored compressed in steel cylinders; Slowly hydrolyzed by cold water; [Merck Index]

Comments

A strong eye and respiratory tract irritant; [Merck Index] See "Thionyl bromide" and "Thionyl chloride."

Exposure Assessment
TLV (ACGIH)

2.5 mg/m3, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, as F, inhalable fraction

Lethal Concentration

LCLo (mice) = 260 ppm/1h

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
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Chemical Information

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