Agent Name

Potassium sulfide

CAS Number

1312-73-8

Formula

K2-S

Major Category

Other Classes

Synonyms

Dipotassium monosulfide (K2S); Dipotassium sulfide; Potassium monosulfide; Potassium sulfide (2:1); Potassium sulfide (K2S); [ChemIDplus] UN1382

Category

Sulfur Compounds

Description

White very hygroscopic solid; Discolored by air; [Merck Index] Red or yellow-red deliquescent solid; [Hawley] White to yellow powder with an odor of rotten eggs; [Strem MSDS]

Sources/Uses

Used in photography (toner); [www.ci.tucson.az.us/arthazards/medium.html] Used as an analytical reagent, depilatory, and medicine; [Hawley]

Comments

May explode on percussion; [Merck Index] May spontaneously ignite; Powder is explosive; [Hawley] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause pulmonary edema; [ICSC] Emergency treatment: "Corrosives- alkaline"; [HSDB] A strong reducing agent; Pyrophoric; May cause severe skin, eye, and mucous membrane irritation; [CAMEO] Releases hydrogen sulfide on contact with moisture; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation of high concentrations may cause pulmonary edema; [CHEMINFO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [Strem MSDS]

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Potassium sulfide, anhydrous (or less than 30% water)."

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

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