多硫化钠

Description

sodium polysulphide · CAS 1344-08-7 · Na2S3. UNII 3GC5GB3QBV.

Identification

CAS Registry Number	1344-08-7
PubChem CID	15361821
Molecular formula	Na2S3
UNII (FDA)	3GC5GB3QBV

Computed Descriptors

Molecular Weight	142.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	141.89575208
Monoisotopic Mass	141.89575208
Topological Polar Surface Area	27.3
Heavy Atom Count	5
Formal Charge	0
Complexity	0

Physical description & handling notes

• Liquid
• Reddish-brown solid with an odor like hydrogen sulfide; [ECHA REACH Registrations] 25-30% Aqueous solution: Dark red viscous liquid with an odor of rotten eggs; [Columbus Chemical MSDS]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H301, H314, H400, H290 (20.4%), H311 (40%), H318 (67.3%)

Documented Uses

• Used in chemical synthesis, in the textile processing industry, as a coloring agent, intermediate, and reducing agent; [IUCLID] Used as a monomer in polysulfide polymer production, laboratory reagent, intermediate, and processing aid in the textile industry; [ExPub: ECHA REACH Registrations]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• 2020: 1,000,000 - <8,500,000 lb
• All Other Basic Inorganic Chemical Manufacturing
• Sodium sulfide (Na2(Sx)): ACTIVE

Synonyms

RefChem:887833; DTXSID9051296; DTXCID901768076; 215-686-9; 1344-08-7; Sodium sulfide (Na2(Sx)); 37488-76-9; Sodium trisulfide; Sodium sesquisulfide; 3GC5GB3QBV; Sodium sulfide (Na2(S3)); SCHEMBL29624237; Trisulfide, sodium salt (1:2); OLPXIHXXKBDZES-UHFFFAOYSA-L

Frequently Asked Questions

What are the CAS number and molecular formula of sodium polysulphide?

CAS 1344-08-7; molecular formula Na2S3; molecular weight — g/mol.

What other names is sodium polysulphide known by?

RefChem:887833, DTXSID9051296, DTXCID901768076, 215-686-9, 1344-08-7, Sodium sulfide (Na2(Sx)).

What is the regulatory status of sodium polysulphide?

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

Is sodium polysulphide classified as hazardous?

Hazard statements reported: H301, H314, H400, H290, H311.

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.