Ammonium bicarbonate
Ammonium bicarbonate (CAS: 1066-33-7, NH₄HCO₃) is an inorganic salt with a molecular weight of 79.06 g/mol. It is a white crystalline powder, soluble in water, and commonly used as a leavening agent in baking and in chemical synthesis. This compound is also employed in the production of dyes, pigments, and pharmaceuticals. Tech Serve Solutions supplies Ammonium bicarbonate in a purum p.a. grade, ensuring high purity for various laboratory and industrial applications.
- IUPAC
- Ammonium hydrogen carbonate

Baking and Food Industry
Ammonium bicarbonate serves as a leavening agent in baked goods such as biscuits and crackers. Its decomposition produces ammonia and carbon dioxide, contributing to the rise and texture of these products.
Chemical Synthesis
It acts as a reagent in various chemical synthesis processes. Its properties make it useful for introducing ammonium or bicarbonate functionalities in organic and inorganic reactions.
Dye and Pigment Production
Ammonium bicarbonate is utilized in the manufacturing of certain dyes and pigments. It can be involved in the chemical reactions that produce or modify colouring agents.
Pharmaceutical Intermediates
This compound finds application in the synthesis of pharmaceutical intermediates. Its role can range from a reactant to a pH adjuster in complex multi-step manufacturing processes.
| Molecular weight | 79.06 |
|---|---|
| Linear formula | NH4HCO3 |
| Assay | ≥98.5% |
| Grade | purum p.a. |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 7.0-8.5 (25 °C, 1 M in H2O) |
| Vapour density | 2.7 (vs air) |
| Impurities tested | ≤0.35% anticaking agent (MgCO3) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Cation traces | Ca: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤100 mg/kgNa: ≤100 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Uv Absorption | λ: 260 nm Amax: ≤0.030λ: 280 nm Amax: ≤0.020 |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ammonium bicarbonate used for?
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Ammonium bicarbonate is primarily used as a leavening agent in baking, in chemical synthesis, and in the production of dyes, pigments, and pharmaceuticals.
What are the CAS number and formula for Ammonium bicarbonate?
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The CAS number for Ammonium bicarbonate is 1066-33-7, and its formula is NH₄HCO₃.
What grade and purity does Tech Serve Solutions supply for Ammonium bicarbonate?
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Tech Serve Solutions supplies Ammonium bicarbonate in a 'purum p.a.' grade with an assay of ≥98.5%. We do not represent this product as USP, BP, or EP grade.
What are the primary hazards associated with Ammonium bicarbonate?
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Ammonium bicarbonate is harmful if swallowed (H302). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used when handling. Refer to the Safety Data Sheet for comprehensive safety information.
How is Ammonium bicarbonate packed and shipped?
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Ammonium bicarbonate is shipped as UN 3077, Class 9, Packing Group III. Specific packaging details are available upon request.
How can I request a quote or sample for Ammonium bicarbonate?
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To request a quote or sample of Ammonium bicarbonate, please contact our sales team through the website or by phone.
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