Sodium hydrosulfide

ChemicalBook > CAS DataBase List > Sodium hydrosulfide

Product Name: Sodium hydrosulfide
CAS No.: 16721-80-5
Chemical Name: Sodium hydrosulfide
Synonyms: SODIUM HYDROGEN SULFIDE;SODIUM HYDROGEN SULPHIDE;NAS2;SODIUM BISULFIDE;SODIUM SULFHYDRATE;sodiumhydrosulphide;anhydre;NAHS,XH2O;NEROL 106-25-2;sulfanylsodium
CBNumber: CB8448020
Molecular Formula: HNaS
Formula Weight: 56.06
MOL File: 16721-80-5.mol

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Sodium hydrosulfide Property

Melting point:: 55°C
Density: 1,79 g/cm³
RTECS: WE1900000
Flash point:: 90°C
solubility: soluble in H2O, EtOh, ethyl ether
form: Solid
color: Off-white
Odor: Rotten eggs odor
Water Solubility: 620 g/L (20 ºC)
Sensitive: Moisture Sensitive & Hygroscopic
Stability:: Stable, but hygroscopic. Flammable solid. May ignite in air.
CAS DataBase Reference: 16721-80-5(CAS DataBase Reference)
EPA Substance Registry System: Sodium hydrosulfide (16721-80-5)

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Safety

Hazard Codes: C,F
Risk Statements: 31-34
Safety Statements: 25-36/37/39-45-50A
RIDADR: 2318
TSCA: Yes
HazardClass: 4.2
PackingGroup: II
Hazardous Substances Data: 16721-80-5(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Hazard statements

H228Flammable solid

H251Self-heating; may catch fire

H302Harmful if swallowed

H312Harmful in contact with skin

H314Causes severe skin burns and eye damage

H318Causes serious eye damage

H332Harmful if inhaled

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Alfa Aesar

Product number: 087389
Product name: Sodium hydrogen sulfide, anhydrous
Packaging: 2g
Price: $186
Updated: 2024/03/01

Alfa Aesar

Product number: 087389
Product name: Sodium hydrogen sulfide, anhydrous
Packaging: 10g
Price: $808
Updated: 2024/03/01

Strem Chemicals

Product number: 93-1061
Product name: Sodium hydrogen sulfide, anhydrous
Packaging: 1g
Price: $68
Updated: 2024/03/01

Strem Chemicals

Product number: 93-1061
Product name: Sodium hydrogen sulfide, anhydrous
Packaging: 5g
Price: $247
Updated: 2024/03/01

Strem Chemicals

Product number: 93-1061
Product name: Sodium hydrogen sulfide, anhydrous
Packaging: 25g
Price: $896
Updated: 2024/03/01

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Sodium hydrosulfide Chemical Properties,Usage,Production

Chemical Properties

white crystals or powder with a very unpleasant smell

Uses

the copper ore beneficiation,the sulfurous acid dyeing of manmade fibre,the synthesis of organic intermediates,the preparation of auxiliary agent of sulfur dyes,and waste water treatment; raw material to produce ammonium sulphate and ethanethiol

Uses

In paper pulping, in dyestuffs processing, in rayon and cellophane desulfurizing, in unhairing hides and as a bleaching reagent Sodium hydrogen sulfide is used in cloth, paper, pulp and dyestuff industries. It acts as a floating agent in copper mining as well as to remove hairs from hides in leather industries. It is also used as an intermediate in synthetic chemistry. It is utilized as a raw material in the production of ammonium sulphate and ethanethiol.

General Description

Sodium hydrosulfide is a colorless to light yellow crystalline solid or fused mass. Sodium hydrosulfide is corrosive to skin and metal. Used in paper pulping, manufacturing dyes, and dehairing hides.

Air & Water Reactions

Soluble in water. The solution slowly evolves hydrogen sulfide gas. Crystals hydrolyze in moist air to sodium hydroxide and sodium sulfide. Liable to spontaneous heating in moist air.

Reactivity Profile

A chemical base. Reacts with acids to release flammable and toxic gaseous hydrogen sulfide. As long as the solution is kept strongly alkaline, pH > 10, there is very little release of H2S. At pH = 7, the percent concentration of H2S released is close to 80%.

Hazard

Contact with acids causes evolution of toxic gases.

Health Hazard

Fire will produce irritating, corrosive and/or toxic gases. Inhalation of decomposition products may cause severe injury or death. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution.

Fire Hazard

Flammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated.

Flammability and Explosibility

Non flammable

Industrial uses

Sodium hydrosulfide (NaHS) is stable only in solution. When in contact with oxygen (air), it slowly oxidizes. If a solution of NaHS is heated, it is converted into Na₂S and H₂S.
Sodium hydrosulfide can be used as a replacement for Na₂S·9H₂O during sulfidization of oxide minerals. Sodium hydrosulfide in solution has a much lower alkalinity than Na₂S.
Although the performance of NaHS is not the same as for Na2S, it is used because of its cost-effectiveness.

Safety Profile

Poison by intraperitoneal and subcutaneous routes. Mutation data reported. A corrosive irritant to skin, eyes, and mucous membranes. Flammable when exposed to heat or flame. Spontaneous combustion. Reacts violently with Qazonium salts. Readily yields HS. When heated to decomposition it emits toxic fumes of SO, and NazO. See also SULFIDES and MERCAPTANS.

Sodium hydrosulfide Preparation Products And Raw materials

Raw materials

Hydrogen Sulfide Sodium sulfide Sodium hydroxide

Preparation Products

Fluorescein isothiocyanate isomer I 2,4-DIAMINO-6-MERCAPTOPYRIMIDINE 4-(tert-Butyl)benzyl mercaptan 2-Amino-3,5-dinitrothiophene 3-AMINO-5-BROMO-BENZOIC ACID 2-(3-PYRIDYL)-1,3-THIAZOLE-4-CARBOXYLIC ACID 5-Aminofluorescein 4-Chloro-3-(trifluoromethyl)benzaldehyde 3-Bromo-5-nitrobenzoic acid 2-QUINOXALINETHIOL Dilauryl thiodipropionate PENTACHLOROTHIOPHENOL 4-THIOURACIL 5-CARBOXY-1-PENTANETHIOL METHYL TETRAHYDRO-4-OXO-2H-THIOPYRAN-3-CARBOXYLATE Benzene,1-(1,1-dimethylethyl)-4-(methylthio) Rubber peptizer BENZENETHIONOSULFONIC ACID, SODIUM SALT 4,5-Diaminopyrimidine THIOPHENE-2-THIOCARBOXAMIDE 2-Fluorophenylacetone 3-Amino-5-nitrobenzoic acid 3-BROMO-5-IODOBENZOIC ACID 6-Thioguanine Thioglycolic acid 1-Propanethiol 1-Mercaptooctane 12-MERCAPTODODECANOIC ACID METHYL MERCAPTAN Pyridaben W.P. 3-Amino-4-methoxybenzanilide 4-AMINO-6-METHYLPYRIMIDINE-2-THIOL Thiodiglycolic acid Pyridaben Ethanethiol Phorate 2-Mercaptoethanol 3-Mercapto-2-butanone Furfuryl mercaptan Difurfuryldisulfide

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View Lastest Price from Sodium hydrosulfide manufacturers

Hebei Mujin Biotechnology Co.,Ltd

Product: Sodium hydrosulfide 16721-80-5
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-09-21

Hebei Yanxi Chemical Co., Ltd.

Product: Sodium hydrosulfide 16721-80-5
Price: US $20.00-3.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-10-11

Hebei Jingbo New Material Technology Co., Ltd

Product: Sodium hydrosulfide 16721-80-5
Price: US $0.00-0.00/TON
Min. Order: 1TON
Purity: 70%
Supply Ability: 1000000
Release date: 2023-11-12

16721-80-5, Sodium hydrosulfideRelated Search:

Sodium bicarbonate Trisodium phosphate Sodium chloride Sodium hydride Sodium sulfate Diclofenac sodium Sodium benzoate Sodium hydroxide Sodium acetate Sodium chlorite Potassium thiocyanate Sodium dimethyldithiocarbamate Sodium borohydride 1-PHENYL-1H-TETRAZOLE-5-THIOL SODIUM SALT Sodium thiocyanate Sodium diethyldithiocarbamate sodium trithiocarbonate Sodium sulfide

hidrosulfurosodics

hydrogenosulfuredesodium(french)

hydrogenosulfuredesodium,anhydre

hydrogenosulfuredesodium,dihydrate

hydrogensodiumsulfide

sodiumhydrogensulfide(nahs)

sodiumhydrosulphide

sodiummercaptan

sodiummercaptide

sodiumsulfide(na(hs))

sodiumsulfide(na(sh))

SODIUM HYDROSULFIDE

SODIUM HYDROGEN SULPHIDE

sodiumhydrosulfide(na(hs))

sodiumhydrosulfide,anhydrous

sodiumhydrosulfide,dihydrate

sodiumhydrosulfide,solid

sodiumhydrosulfide,solid,withlessthan25%waterofcrystallization

sodiumhydrosulfide,solution

sodiumhydrosulfide,withnotlessthan25%waterofcrystallization

SODIUM HYDROGEN SULFIDE

SODIUM BISULFIDE

SODIUM SULFHYDRATE

Sodium sulfohydrate

SODIUM HYDROSULPHID

SODIUM HYDRO SULPHIDE SOLID 70% MIN

NATRIUMHYDROGENSULFID MONOHYDRAT

SodiumHydrosulfide30%

SODIUM HYDROSULFIDE 30%

Natriumhydrogensulfid

SODIUMHYDROSULFIDE,45%SOLUTION

SODIUMBISULPHIDE

SODIUMSULPHYDRATE

Sodium hydrogen sulphide anhydrous

Sodium sulfhydrate: (Sodium hydrosulfide)

sodium hydrosulfide (non-flammable solid)

sodium hydrosulfide, solid, >= 25% water

Sodiumhydrogensulfide,anhydrous

NAS2

hydrogen sulfur sodiuM

sodiuMhydr sulfide, anhydrous

anhydre

NAHS,XH2O

Sodium Hydrosulfide,>70%

70% Sodium hydrosulfide

SODIUM HYDROSULPHIDE 30% W/V Extra Pure

NEROL 106-25-2

Sodium hydride sulfide

sulfanylsodium

Sodium hydrosulfide Sodium bisulfide

16721-80-5

NaHS2H2O

NaHSmaycontainothersulfidephases

NaSHxH2O

NaHS

hydrogen sulfide

inorganic chemical raw material

inorganic salt