English Safety Data Sheet Database 中文版 MSDS

4-Aminophenyl disulfide

CAS No. 722-27-0 | PubChem CID 12875
Section 1. Identification
Chemical Name4-Aminophenyl disulfide CAS No.722-27-0
Synonymsdiphenyl-4-diamino disulfide; 4,4'-diaminodiphenyldisulfide Chinese Name4,4'-二硫代二苯胺
Molecular FormulaC12H12N2S Molecular Weight248.367
UN No. Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word WARNING
Pictograms GHS07 · Irritant
Hazard Statements H315H319H335
Precautionary Statements P261P264P264+P265P271P280P302+P352P304+P340P305+P351+P338P319P321P332+P317P337+P317P362+P364P403+P233P405P501

Section 2. Hazards Identification

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (97.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 42 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Section 9. Physical and Chemical Properties

Chemical shift

Chemical structure

Clearing parameter

Crystal structure

Crystal-to-crystal transition

Formula unit

Formula weight

Liquid crystalline phase

Melting temperature

Melting transition

Solid-to-solid transition

Space group

Spin-spin coupling constant

Transition pressure

Unit cell

Unit cell parameter

Source: PubChem CID 12875 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 09:38:12.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.