双硫酸铬钾

Description

chromium potassium bis(sulphate) · CAS 10141-00-1 · CrKO8S2. UNII 579U79PAIC.

Identification

CAS Registry Number	10141-00-1
PubChem CID	61489
Molecular formula	CrKO8S2
IUPAC name	potassium;chromium(3+);disulfate
UNII (FDA)	579U79PAIC

Computed Descriptors

Molecular Weight	283.22
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	0
Exact Mass	282.807670
Monoisotopic Mass	282.807670
Topological Polar Surface Area	177
Heavy Atom Count	12
Formal Charge	0
Complexity	62.2

Physical description & handling notes

• Violet-red crystals; soluble in water; [Hawley] Red-violet odorless granules; [Mallinckrodt Baker MSDS]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	75% (3 / 4)

GHS Hazard Classification

GHS notification summary	75% (3 / 4)
Reported hazard statements	H315 (100%), H319 (100%), H335 (84.9%)

Documented Uses

• Used in dyeing (mordant), tanning, printing calico, developing photographs, and producing glue, gum, waterproof fabrics, inks, and other chromium compounds; [Merck Index]
• Leather Tanning and Processing [Category: Industry]
• Photographic Processing [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Chromium(III) potassium sulfate can be used for leather tanning. (L514)
• Sulfuric acid, chromium(3+) potassium salt (2:1:1): ACTIVE

Synonyms

10141-00-1; Potassium chromic sulfate; Chromic potassium sulphate; Potassium chromic sulphate; CHROMIC POTASSIUM SULFATE; 0% Basicity chrome alum; Sulfuric acid, chromium(3+) potassium salt (2:1:1); Chromium potassium sulfate (CrK(SO4)2); 579U79PAIC; Potassium chromium disulfate (KCr(SO4)2); DTXSID00890645; chromalum; RefChem:576866; DTXCID301030930; 233-401-6; Chrome alum

Frequently Asked Questions

What are the CAS number and molecular formula of chromium potassium bis(sulphate)?

CAS 10141-00-1; molecular formula CrKO8S2; molecular weight — g/mol.

What other names is chromium potassium bis(sulphate) known by?

10141-00-1, Potassium chromic sulfate, Chromic potassium sulphate, Potassium chromic sulphate, CHROMIC POTASSIUM SULFATE, 0% Basicity chrome alum.

What is the regulatory status of chromium potassium bis(sulphate)?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is chromium potassium bis(sulphate) classified as hazardous?

75% of GHS notifications report no hazard classification (3 of 4).

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.