Ammonium sulfite monohydrate, 92% min, Thermo Scientific Chemicals

Description

Air Sensitive

Ammonium sulfite monohydrate is used in caramel coloring in the food industry. It is also used in cosmetics as a hair straightening agent and a hair waving agent. It acts as a reducing agent in photography. Further, it is used in the production of bricks in order to use in blast furnace linings. In addition to this, it used in gas scrubbers.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 7783-11-1
• Molecular Formula: H10N2O4S
• Molecular Weight (g/mol): 134.15
• MDL Number: MFCD00066094
• InChI Key: ASPXBYAQZVXSNS-UHFFFAOYSA-N
• PubChem CID: 21701053
• IUPAC Name: diazanium;sulfite;hydrate
• SMILES: [NH4+].[NH4+].O.[O-]S(=O)[O-]

• Melting Point: 60°C to 70°C (decomposition)
• Color: White
• Physical Form: Crystalline
• Quantity: 1 kg
• Assay Percent Range: 92% min.
• Solubility Information: Soluble in water. Insoluble in acetone and alcohol.
• Formula Weight: 134.15 (116.14 Anhydrous)
• Refractive Index: 1.515
• Sensitivity: Air Sensitive
• Appearance: White crystalline
• Density: 1.41 g/cm³
• Chemical Name or Material: Ammonium sulfite monohydrate, Monohydrate

Safety and Handling

Product Identifier

• Ammonium sulfite monohydrate

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.
• EUH031-Contact with acids liberates toxic gas.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.
• P332+P313-If skin irritation occurs: Get medical advice/attention.
• P337+P313-If eye irritation persists: Get medical advice/attention.

Supplemental information

• MIXTURE LIST-Contains : Ammonium sulfite, monohydrate

RUO – Research Use Only