（四硫化钾）

（四硫化钾）（CAS 12136-49-1）的公开数据库记录，列此仅供独立核对。

危险化学品分类与危害说明

法规与备案状态

物理形态与操作说明

• Potassium sulfide, anhydrous appears as a yellow-red to red crystalline mass or fused solid with an odor of rotten eggs.
• Potassium sulfide, hydrated, with not less than 30% water of crystallization appears as a red crystalline solid. Denser than water. Contact may severely irritate skin, eyes and mucous membranes. May be toxic by ingestion.
• 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]
• HYGROSCOPIC WHITE CRYSTALS WITH CHARACTERISTIC ODOUR. TURNS RED OR BROWN ON EXPOSURE TO AIR.
• WHITE CUBIC CRYSTALS OR FUSED PLATES
• RED OR YELLOW-RED CRYSTALLINE MASS OR FUSED SOLID

公开数据库收录的理化数据

这个物质在各数据库里的编号

数据库记载的用途

• Used in photography (toner); [www.ci.tucson.az.us/arthazards/medium.html] Used as an analytical reagent, depilatory, and medicine; [Hawley]
• Photographic Processing [Category: Other]
• Applying metallic patinas [Category: Hobbies]
• Reagent in analytical chemistry, depilatory, medicine.
• Information on 1 consumer products that contain Potassium sulfide in the following categories is provided:
• BEST PREPD FROM THE ELEMENTS IN LIQUID AMMONIA: KLEMM ET AL, Z ANORG ALLGEM CHEM 241: 281 (1939); FEHER IN HANDBOOK OF PREPARATIVE INORG CHEM VOL 1, G BRAUER, ED (ACADEMIC PRESS, NEW YORK, 2ND ED, 1963) PP 360-361.

它在各数据库里的别名

POTASSIUM SULFIDE; 1312-73-8; potassium sulphide; Dipotassium monosulfide; Potassium sulfide (2:1); POTASSIUM MONOSULPHIDE; DIPOTASSIUM MONOSULPHIDE; 31R0R7HD0N; POTASSIUM SULPHIDE (2:1); HEPAR SULFURIS; RefChem:57958; POTASSIUM SULFURET; Kali Sulf. Bath Essence; POTASSIUM SULFIDE (K2S4); POTASSIUM SULPHIDE, ANHYDROUS; POTASSIUM POLYSULFIDE (K2S4)

计算机算出的分子描述符

数据库摘要

(POTASSIUM TETRASULFIDE) · CAS 12136-49-1 · K2S. UNII 31R0R7HD0N. 熔点: 912 °C; 熔点: 840 °C.

数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。