硫氰酸钾

Description

Potassium thiocyanate · CAS 333-20-0 · KSCN. UNII TM7213864A. Melting Point: 173 °C; Density: 1.9 g/cm³; Density: 1.89 @25 °C.

Identification

CAS Registry Number	333-20-0
PubChem CID	516872
Molecular formula	KSCN
IUPAC name	potassium thiocyanate
UNII (FDA)	TM7213864A

Computed Descriptors

Molecular Weight	97.18
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	96.93885166
Monoisotopic Mass	96.93885166
Topological Polar Surface Area	24.8
Heavy Atom Count	4
Formal Charge	0
Complexity	34.5

Physical & Chemical Properties

Melting Point	173 °C
Density	1.9 g/cm³
Density	1.89 @25 °C
Decomposition	500 °C

Physical description & handling notes

• Colorless deliquescent solid; [Merck Index]
• COLOURLESS-TO-WHITE HYGROSCOPIC CRYSTALS.
• Solubility in water: very good

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Stabilizing

GHS Hazard Classification

Reported hazard statements	H302, H312, H332 (45.4%), H318 (29.2%), H319 (28.2%), H400 (13.4%), H412 (81%), H372

Documented Uses

• Used to make mustard oil, for printing and dyeing textiles, in photography (intensifier), and as a therapeutic hypotensive; [Merck Index] Used as a contact fungicide for green house vegetables and ornamentals and green house and open field strawberries; [ExPub: EFSA: DAR - Vol. 1]
• Photographic Processing [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Information on 1 consumer products that contain Potassium Thiocyanate in the following categories is provided:
• Thiocyanic acid, potassium salt (1:1): ACTIVE
• Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS.

Synonyms

POTASSIUM THIOCYANATE; 333-20-0; Potassium rhodanate; Potassium sulfocyanate; Rodanca; Potassium thiocyanide; Arterocyn; Rhocya; Potassium isothiocyanate; potassium rhodanide; Aterocyn; Kyonate; Thiocyanic acid, potassium salt; KSCN; DTXSID7029619; TM7213864A

Frequently Asked Questions

What are the CAS number and molecular formula of Potassium thiocyanate?

CAS 333-20-0; molecular formula KSCN; molecular weight — g/mol.

What other names is Potassium thiocyanate known by?

POTASSIUM THIOCYANATE, 333-20-0, Potassium rhodanate, Potassium sulfocyanate, Rodanca, Potassium thiocyanide.

What is the regulatory status of Potassium thiocyanate?

Documented regulatory listings: CIR / INCI: Stabilizing.

Is Potassium thiocyanate classified as hazardous?

Hazard statements reported: H302, H312, H332, H318, H319.

What are the key physical properties of Potassium thiocyanate?

Melting Point: 173 °C; Density: 1.9 g/cm³; Density: 1.89 @25 °C; Decomposition: 500 °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.