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Ammonium hydrogen sulfate

Ammonium hydrogen sulfate
Ammonium hydrogen sulfate
CAS No.
7803-63-6
Chemical Name:
Ammonium hydrogen sulfate
Synonyms
AMMONIUM BISULFATE;AMMONIUMBI-SULPHATE;Ammonium hydrogen su;Ammonium acid sulfate;Acid aMMoniuM sulfate;Acid ammnonium sulfate;Ammoniumhydrogensulfat;ammonium hydrogensulphate;AMMONIUM HYDROGEN SULFATE;ammonium sulfate monobasic
CBNumber:
CB7854367
Molecular Formula:
H5NO4S
Formula Weight:
115.11
MOL File:
7803-63-6.mol

Ammonium hydrogen sulfate Properties

Melting point:
147 °C
Boiling point:
350 °C (dec.)(lit.)
Density 
1.79 g/mL at 25 °C(lit.)
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Crystalline Powder
color 
White
Water Solubility 
Soluble in water (~115.1 mg/ml at 20°C). Insoluble in acetone, alcohol, and pyridine.
Sensitive 
Hygroscopic
Merck 
13,500
Stability:
Stable. Hygroscopic. Incompatible with acids, bases, oxidizing agents.
CAS DataBase Reference
7803-63-6(CAS DataBase Reference)
EPA Substance Registry System
Sulfuric acid, monoammonium salt(7803-63-6)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 2506 8/PG 2
WGK Germany  1
3
TSCA  Yes
HazardClass  8
PackingGroup  II
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P310 Immediately call a POISON CENTER or doctor/physician.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Ammonium hydrogen sulfate price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 307602 Ammonium hydrogensulfate 98% 7803-63-6 25g $51.5 2018-11-13 Buy
Sigma-Aldrich 455849 Ammonium hydrogensulfate 99.99% trace metals basis 7803-63-6 25g $61.8 2018-11-13 Buy
Alfa Aesar 014485 Ammonium hydrogen sulfate, 99.9% (metals basis) 7803-63-6 100g $69.7 2018-11-16 Buy
Alfa Aesar 014485 Ammonium hydrogen sulfate, 99.9% (metals basis) 7803-63-6 25g $26.8 2018-11-16 Buy
Sigma-Aldrich 455849 Ammonium hydrogensulfate 99.99% trace metals basis 7803-63-6 100g $155 2018-11-13 Buy

Ammonium hydrogen sulfate Chemical Properties,Uses,Production

Chemical Properties

white crystalline powder or chunks. This compound is one of several salts that can form from the reaction of ammonia and sulfur bearing gases, most particularly sulfur trioxide. This product is frequently found in the overhead of crude distillation units and can be quite corrosive to steel equipment. Chemical corrosion inhibitors are often used to control corrosion from ammonium bisulfate.

Uses

In hair-waving preparations; as catalyst for organic reactions.

General Description

Ammonium hydrogen sulfate is a colorless to white, powdered solid. Ammonium hydrogen sulfate is toxic by ingestion. When heated to high temperatures, Ammonium hydrogen sulfate may release toxic sulfur oxide and nitrogen oxide fumes. Ammonium hydrogen sulfate is soluble in water. Ammonium hydrogen sulfate is a chemical catalyst, used in hair preparations.

Air & Water Reactions

Ammonium hydrogen sulfate dissolves in water with the evolution of some heat and hydrolyzes to form some amounts of sulfuric acid. Deliquescent.

Reactivity Profile

Acidic salts, such as Ammonium hydrogen sulfate, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Safety Profile

Moderately toxic by ingestion. A corrosive. See also SULFATES. Dangerous; when heated to decomposition it emits highly toxic fumes of sulfuric acid and SO,, NH3, and NOx,.

Purification Methods

It crystallises from water at room temperature (1mL/g) on adding EtOH and cooling. (NH4) HSO4 is formed as deliquescent rhombic crystals on cooling a solution of (NH4)2SO4 in hot conc H2SO4 but EtOH decomposes it to (NH4)3H(SO4)2 [Dunnicliff J Chem Soc 123 476 1923]. When powdered (NH4)2SO4 is heated below 100o, it loses NH3, and at 300o it is completely converted to fused (NH4) HSO4, m 140o, but >300o it decomposes to SO2 and N2 [Smith J Chem Soc 30 253 1911].

Ammonium hydrogen sulfate Preparation Products And Raw materials

Raw materials

Preparation Products


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Ammonium hydrogen sulfate Spectrum


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