Phosphorus sesquisulfide
Agent Name
Phosphorus sesquisulfide
CAS Number
1314-85-8
Formula
P4-S3
Major Category
Other Classes
Synonyms
Phosphorus sulfide (P4S3); Phosphorus(III) sulfide(IV); Sesquisulfure de phosphore [French]; Tetraphosphorus trisulfide; Trisulfurated phosphorus; [ChemIDplus] UN1341
Category
Sulfur Compounds
Description
Yellowish-green solid; [Merck Index] Light yellow powder; [Aldrich MSDS]
Sources/Uses
Used in organic synthesis and to make matches and friction strips for safety-match boxes; [HSDB]
Comments
A dangerous fire risk by friction; [Hawley] A skin, eye, and respiratory tract irritant; Occupationally exposed individuals have reported quickly developing erythema with vesicles or pustules accompanied by pain and pruritis; Allergic contact dermatitis and contact urticaria have also been reported; Emergency treatment: "Phosphorus"; [HSDB] (PubMed search for (1314-85-8 OR Phosphorus sesquisulfide} AND human[mh] AND (Occupational Diseases [mh] OR Occupational Exposure [mh]) yields no results about allergic skin disease.) Ignites easily by friction; Reacts slowly with water producing phosphoric acid and hydrogen sulfide; A strong reducing agent; May ignite on exposure to moisture; [CAMEO] Causes changes in renal tubules and glomeruli in oral lethal-dose studies of rabbits; [RTECS] A mucous membrane and upper respiratory tract irritant; [Aldrich MSDS]
Biomedical References
Exposure Assessment
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Phosphorus sesquisulfide, free from yellow or white Phosphorus."
NFPA
must be preheated
Adverse Effects
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.