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HomeProduct name listHydroxylamine sulfate

Hydroxylamine sulfate

Synonym(s):Hydroxylamine sulfate;Hydroxylammonium sulfate

  • CAS NO.:10039-54-0
  • Empirical Formula: H2O4S.2H3NO
  • Molecular Weight: 164.14
  • MDL number: MFCD00044869
  • EINECS: 233-118-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-24 21:11:45
Hydroxylamine sulfate Structural

What is Hydroxylamine sulfate?

Chemical properties

Also hydroxylammonium sulfate, or HS, (NH2OH)2·H2S04 is colorless crystals that are soluble in water and slightly soluble in alcohol. The solution has a corrosive action on the skin. Used as a reducing agent, photographic developer, purification agent for aldehydes and ketones, chemical synthesis, textile chemical, oxidation inhibitor for fatty acids, catalyst, in biological and biochemical research, for making oximes for paints and varnishes, and rustproofing.

Physical properties

Colorless, crystalline solid; melts at 177°C (decomposes); very soluble in386 HYDROXYLAMINE HYDROCHLORIDE / HYDROXYLAMINE SULFATEpp-03-25-new dots.qxd 10/23/02 2:38 PM Page 386 water; slightly soluble in alcohol.

The Uses of Hydroxylamine sulfate

Hydroxylamine sulfate may be used to prepare highly sensitive cellulose tape, used for the detection of formaldehyde gas. It may be used in the quantitative determination of perchlorate in biological fluids by spectrophotometric methods .

The Uses of Hydroxylamine sulfate

Used as to purify aldehydes and ketones; reagent for mercury and silver detection in water; reducing agent.

The Uses of Hydroxylamine sulfate

As reducing agent in photography; in synthetic and analytical chemistry; to purify aldehydes and ketones. As antioxidant for fatty acids and soaps. As dehairing agent for hides.

The Uses of Hydroxylamine sulfate

Hydroxylammonium sulfate is a reducing agent in photography; catalyst, swelling agent, and copolymerization inhibitor in polymerization processes; in chemical synthesis; as a textile chemieal; as an oxidation inhibitor; in making oximes for paints and varnishes; in rustproofing; in nondiscoloring short -stoppers for synthetic rubbers; for unhairing hides; in biological and biochemical research; as a purification agent for aldehydes and ketones; converts aldehydes and ketones to oximes and acid chlorides to hydroxamic acids.

Preparation

Hydroxylamine sulfate may be prepared by mixing stoichiometric amountsof hydroxylamine and sulfuric acid. It also may be prepared by electrolytical-ly reducing an aqueous solution of ammonium sulfate.

General Description

Colorless crystalline solid. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be toxic by ingestion.

Air & Water Reactions

Water soluble.

Reactivity Profile

Sulfuric acid fumes may form in fires [USCG, 1999]. Solid Hydroxylamine sulfate explodes when heated to 170°C., [Chem. Process 26:30(1963)]. Sodium ignites on contact with hydroxylamine. (Mellor, 1940, Vol. 8, 292.)

Hazard

Irritant to tissue.

Health Hazard

Inhalation of dust or ingestion may cause systemic poisoning characterized by cyanosis, methemoglobinemia, convulsions, and coma. Contact with eyes or skin causes irritation.

Fire Hazard

Special Hazards of Combustion Products: Sulfuric acid fumes may form in fires.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by skin contact and intraperitoneal routes. Mutation data reported. A corrosive irritant to skin, eyes, and mucous membranes. Moderately explosive when exposed to heat or by chemical reaction. In the presence of alkalies at elevated temperatures, free hydroxylamine is liberated and may decompose explosively. When heated to decomposition it emits toxic fumes of SOx and NOx. See also AMINES and SULFATES.

Purification Methods

Crystallise it from boiling water (1.6mL/g) by cooling to 0o.

Properties of Hydroxylamine sulfate

Melting point: 170 °C (dec.)(lit.)
Boiling point: 56.5℃
Density  1.86
vapor pressure  0.001Pa at 20℃
storage temp.  -20°C
solubility  water: soluble(lit.)
form  Crystals
color  White
PH 3.6 (10g/l, H2O, 20℃)
Water Solubility  329 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,4828
Stability: Stable, but may be an explosion hazard - do not heat. May decompose explosively in the presence of alkalies. Air sensitive. Hygroscopic. Incompatible with copper, copper alloys, strong oxidising agents, strong bases, nitrites.
CAS DataBase Reference 10039-54-0(CAS DataBase Reference)
EPA Substance Registry System Hydroxylamine sulfate (2:1) (10039-54-0)

Safety information for Hydroxylamine sulfate

Signal word Warning
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H290:Corrosive to Metals
H315:Skin corrosion/irritation
H317:Sensitisation, Skin
H319:Serious eye damage/eye irritation
H351:Carcinogenicity
H373:Specific target organ toxicity, repeated exposure
H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313:IF exposed or concerned: Get medical advice/attention.

Computed Descriptors for Hydroxylamine sulfate

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