Agent Name

Sulfur tetrafluoride

CAS Number

7783-60-0

Formula

F4-S

Major Category

Toxic Gases & Vapors

Synonyms

Tetrafluorosulfurane; [ChemIDplus] UN2418

Category

Corrosive Gases

Description

Colorless gas with an odor like sulfur dioxide. [Note: Shipped as a liquefied compressed gas.]; [NIOSH]

Sources/Uses

Used as a fluorine donor in chemical reactions to produce water-repellant materials, pesticides, and other organic and inorganic compounds; [ACGIH]

Comments

May cause skin burns (from SF4 releasing hydrofluoric acid on exposure to moisture); [NIOSH] After an industrial accident, six exposed workers developed cough, dyspnea, and chest tightness. Symptoms resolved within one to four weeks. [ACGIH] Possible frostbite from contact with liquid; [NIOSH] A corrosive substance that can cause pulmonary edema; Evaporating liquid can cause frostbite; May cause fluorosis; [ICSC] See "FLUORIDES."

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TIH

Yes

Ceiling (ACGIH)

0.1 ppm

Lethal Concentration

LCLo (rat) = 19 ppm/4h

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: