Sodium phosphate monobasic anhydrous
- CAS Number
- 7558-80-7
- HSN Code
- 28352200
- Molecular Formula
- NaH2PO4
- Catalogue Number
- AL4243
- Purity
- 98%
- Molecular Weight
- 119.98 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium dihydrogenphosphate is a sodium phosphate.
Also known as Sodium dihydrogen phosphate, Monosodium phosphate.
- Catalogue No.
- AL4243
- CAS Number
- 7558-80-7
- Molecular Formula
- NaH2PO4
- Molecular Weight
- 119.98 g/mol
- HSN Code
- 28352200
- Grade
- 98%
- Product Form
- Substance
Melting point: 200 °C (decomposes); Density: 2360 kg/cu m; Solubility: White, hygroscopic crystals. Decomp at 100 °C. Solubility: 94.9 g/100 g water at 25 °C. Insoluble in ethanol.
- Appearance
- Colorless, monoclinic crystals
- Shelf Life
- -
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic container
- Storage
- Store in original containers. Keep containers securely sealed.
1.1 — Product identifier
- Chemical Name
- Sodium phosphate monobasic anhydrous
- Catalogue No.
- AL4243
- Product form
- Substance
- CAS Number
- 7558-80-7
- EC Number
- 231-449-2
- Grade
- 98%
- EC Index Number
- Not specified
- Chemical Formula
- NaH2PO4
- HSN Code
- 28352200
- Synonyms
- Sodium dihydrogen phosphate, Monosodium phosphate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Buffer component, food additive, reagent in biochemical applications
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Not classified as hazardous (majority of notifications to the ECHA C&L Inventory)
- Classification source
- ECHA C&L Inventory via PubChem CID 23672064 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- None required
- Signal word
- None
- Hazard statements
- None
2.3 — Other hazards
- Other hazards
- None identified
3.1 — Substance
- Name
- Sodium phosphate monobasic anhydrous
- CAS No.
- 7558-80-7
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. If irritation persists, seek medical attention.
- 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
- May cause mild irritation to skin, eyes, and respiratory tract.
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
- Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Behavior in fire: May melt with loss of steam.
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 in a well-ventilated area.
- 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 original containers. Keep containers securely sealed.
8.2 — Exposure controls
- Hand protection
- Handle with gloves.
- Eye protection
- Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
- Skin and body protection
- Impervious clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
- Respiratory protection
- Not required under normal conditions; use in well-ventilated areas.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 4.5 - 5.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 200 °C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2360 kg/cu m
- Solubility
- White, hygroscopic crystals. Decomp at 100 °C. Solubility: 94.9 g/100 g water at 25 °C. Insoluble in ethanol.
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; incompatible with strong bases and strong 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, strong oxidizing agents
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp emits toxic fumes of phosphoxides and sodium oxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 8290 mg/kg; LD50 Mouse oral greater than 2000 mg/kg bw.; LD50 Rat intramuscular 250 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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 assigned
- UN-No. (IMDG)
- Not assigned
- UN-No. (IATA)
- Not assigned
- UN-No. (ADN)
- Not assigned
- UN-No. (RID)
- Not assigned
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Not classified as dangerous goods
- Proper Shipping Name (IMDG)
- Not classified as dangerous goods
- Proper Shipping Name (IATA)
- Not classified as dangerous goods
- Proper Shipping Name (ADN)
- Not classified as dangerous goods
- Proper Shipping Name (RID)
- Not classified as dangerous goods
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 phosphate monobasic anhydrous is widely used as a buffer component in the preparation of phosphate buffers, which are essential in various biochemical applications, including enzyme assays and cell culture. In the food industry, it serves as a food additive, helping to regulate acidity and improve the stability of food products. Additionally, it is employed in pharmaceuticals for drug formulation and in analytical chemistry for pH adjustment in various experiments.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1410B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 119.98 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 98% min | 98.5% |
| Moisture Content | <1% | 0.5% |
| Residue on Ignition | <0.5% | 0.3% |
| pH (1% solution) | 4.5 - 5.5 | 5.0 |
The above product is expected to comply with 98% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | 98% | m.p. 200 °C (decomposes) | <1% | <0.5% | None detected | White, hygroscopic crystals. Decomp at 100 °C. Solubility: 94.9 g/100 g water at 25 °C. Insoluble in ethanol. |
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