Sodium Bisulfate Monohydrate
- CAS Number
- 10034-88-5
- HSN Code
- 28331910
- Molecular Formula
- NaHSO4·H2O
- Catalogue Number
- AL1356A
- Purity
- 99%
- Molecular Weight
- 138.07 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium bisulfate monohydrate is a white crystalline powder that serves as an analytical reagent with a high purity of 99%. It is commonly used in laboratories for its acidic properties and is particularly valued for its precise control over purity, making it suitable for sensitive analytical applications. This compound is a key component in various chemical processes, including pH adjustment and fusion-flux applications. Its monohydrate form indicates the presence of one water molecule per formula unit, which is significant for its solubility and reactivity in aqueous solutions.
Also known as Sodium hydrogen sulfate, Sodium bisulfate.
- Catalogue No.
- AL1356A
- CAS Number
- 10034-88-5
- Molecular Formula
- NaHSO4·H2O
- Molecular Weight
- 138.07 g/mol
- HSN Code
- 28331910
- Grade
- AR grade
- Product Form
- Substance
Sodium bisulfate monohydrate appears as a white crystalline powder. It has a melting point of approximately 50 °C (122 °F) and a boiling point of 150 °C (302 °F) when decomposed. The compound is highly soluble in water, with a solubility of about 70 g/L at 20 °C. Its density is approximately 1.48 g/cm³. The compound has a pH of around 1.5 in a 1% solution, indicating its acidic nature. It has a slight odor, typical of sulfate salts, and is non-volatile under standard conditions.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 500 g and 1 kg plastic containers
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Sodium Bisulfate Monohydrate
- Catalogue No.
- AL1356A
- Product form
- Substance
- CAS Number
- 10034-88-5
- EC Number
- 233-320-4
- Grade
- AR grade
- EC Index Number
- 016-026-00-0
- Chemical Formula
- NaHSO4·H2O
- HSN Code
- 28331910
- Synonyms
- Sodium hydrogen sulfate, Sodium bisulfate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Analytical reagent, pH adjustment, cleaning agent
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Mildly corrosive to skin and eyes
3.1 — Substance
- Name
- Sodium Bisulfate Monohydrate
- CAS No.
- 10034-88-5
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the respiratory tract, skin, and eyes.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable, but may release toxic fumes when heated.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Contain spill and collect using appropriate protective equipment. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate personal protective equipment. Sweep up and place in a suitable container for disposal.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid contact with skin and eyes. Use gloves and safety goggles when handling.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, away from incompatible materials such as strong bases and oxidizers.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use in a well-ventilated area. If exposure limits are exceeded, use appropriate respiratory protection.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Slight
- Odour threshold
- Not applicable
- pH value
- 1.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 50 °C (122 °F)
- Freezing point
- Not applicable
- Boiling point
- Decomposes at 150 °C (302 °F)
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- 150 °C (302 °F)
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.48 g/cm³
- Solubility
- 70 g/L in water at 20 °C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Reacts with strong bases and oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong bases, oxidizing agents, and metals.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- Causes mild skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a skin sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- Not classified as a specific target organ toxicant.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- Not classified as dangerous goods.
- UN-No. (IMDG)
- Not classified as dangerous goods.
- UN-No. (IATA)
- Not classified as dangerous goods.
- UN-No. (ADN)
- Not classified as dangerous goods.
- UN-No. (RID)
- Not classified as dangerous goods.
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium bisulfate, monohydrate
- Proper Shipping Name (IMDG)
- Sodium bisulfate, monohydrate
- Proper Shipping Name (IATA)
- Sodium bisulfate, monohydrate
- Proper Shipping Name (ADN)
- Sodium bisulfate, monohydrate
- Proper Shipping Name (RID)
- Sodium bisulfate, monohydrate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not applicable
14.4 — Packing group
- Packing group (ADR)
- Not applicable
- Packing group (IMDG)
- Not applicable
- Packing group (IATA)
- Not applicable
- Packing group (ADN)
- Not applicable
- Packing group (RID)
- Not applicable
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Sodium bisulfate monohydrate is widely used in analytical chemistry as an acidic reagent, particularly in fusion-flux applications where precise pH control is essential. It is also employed in the preparation of buffer solutions and as a cleaning agent in various industrial processes. In the food industry, it can be used as a food preservative and acidity regulator. Additionally, it finds applications in the textile and dyeing industries, where it is used to adjust pH levels in dye baths.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1356A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 138.07 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay (Purity) | 99% min | 99.5% |
| Moisture Content | < 1% | 0.5% |
| Residue on Ignition | < 0.5% | 0.3% |
| pH (1% solution) | 1.5 | 1.5 |
| Solubility in Water | 70 g/L | 72 g/L |
The above product is expected to comply with AR grade grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR grade | 99% | 50 °C (decomposes) | < 1% | < 0.5% | None detected | 70 g/L in water at 20 °C |
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