（四硫化钾）

Name: （四硫化钾）
Brand: 济南圣和化工有限公司

CAS 12136-49-1K2SMW 110.26

济南圣和化工主营供应（四硫化钾）（CAS 12136-49-1），归类于无机化学品，分子式 K2S，分子量 110.26。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。

产品概览

CAS号	12136-49-1
分子式	K2S
分子量	110.26
熔点	912 °C
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	无机化学品
类别	无机化学品

应用领域

无机化学品

（四硫化钾）在无机化学品领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品齐全，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等多个大类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

（四硫化钾）的 CAS 号是多少？

（四硫化钾）的 CAS 号为 12136-49-1。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

（四硫化钾）有什么用途？

主要应用于无机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

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

Identification

CAS Registry Number	12136-49-1
PubChem CID	162263
Molecular formula	K2S
IUPAC name	dipotassium;sulfide
UNII (FDA)	31R0R7HD0N

Computed Descriptors

Molecular Weight	110.26
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	109.89948414
Monoisotopic Mass	109.89948414
Topological Polar Surface Area	1
Heavy Atom Count	3
Formal Charge	0
Complexity	0

Physical & Chemical Properties

Melting Point	912 °C
Melting Point	840 °C

Physical description & handling notes

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

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Depilatory

GHS Hazard Classification

Reported hazard statements	H314, H400, H251 (44.3%), H300, H318, H371, H301, H312

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

Documented Uses

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.

Synonyms

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)

Frequently Asked Questions

What are the CAS number and molecular formula of (POTASSIUM TETRASULFIDE)?

CAS 12136-49-1; molecular formula K2S; molecular weight — g/mol.

What other names is (POTASSIUM TETRASULFIDE) known by?

POTASSIUM SULFIDE, 1312-73-8, potassium sulphide, Dipotassium monosulfide, Potassium sulfide (2:1), POTASSIUM MONOSULPHIDE.

What is the regulatory status of (POTASSIUM TETRASULFIDE)?

Documented regulatory listings: CIR / INCI: Depilatory.

Is (POTASSIUM TETRASULFIDE) classified as hazardous?

Hazard statements reported: H314, H400, H251, H300, H318.

What are the key physical properties of (POTASSIUM TETRASULFIDE)?

Melting Point: 912 °C; Melting Point: 840 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.