Phosphoric Acid
- CAS Number
- 7664-38-2
- HSN Code
- 28092010
- Molecular Formula
- H3PO4
- Catalogue Number
- AL3535
- Purity
- 88%
- Molecular Weight
- 98.00 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Phosphoric acid is a phosphorus oxoacid that consists of one oxo and three hydroxy groups joined covalently to a central phosphorus atom. It has a role as a NMR chemical shift reference compound, a fertilizer, a solvent, a human metabolite and an algal metabolite.
Also known as Orthophosphoric acid.
- Catalogue No.
- AL3535
- CAS Number
- 7664-38-2
- Molecular Formula
- H3PO4
- Molecular Weight
- 98.00 g/mol
- HSN Code
- 28092010
- Grade
- AR grade, 88%
- Product Form
- Substance
Melting point: 42.4 °C; Boiling point: 407 °C; Density: 1.8741 (100% solution); 1.6850 (85% solution); 1.334 (50% solution), all at 25 °C; Solubility: Soluble in water, alcohol; soluble in 8 volumes of 3:1 ether:alcohol mixture.
- Appearance
- Unstable orthorhombic crystals or clear syrupy liquid
- Shelf Life
- 2 years
- Packaging
- Available in: 500 ml glass bottle with tin cap, 1 Lt glass bottle with tin cap, 2.5 Lt glass bottle with tin cap
- Storage
- Dry. Well closed. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- Phosphoric Acid
- Catalogue No.
- AL3535
- Product form
- Substance
- CAS Number
- 7664-38-2
- EC Number
- 231-633-2
- Grade
- AR grade, 88%
- EC Index Number
- 015-011-00-6
- Chemical Formula
- H3PO4
- HSN Code
- 28092010
- Synonyms
- Orthophosphoric acid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Analytical reagent
- 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
- Skin Corr. 1B
- Classification source
- ECHA C&L Inventory via PubChem CID 1004 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive
- Signal word
- Danger
- Hazard statements
- H314: Causes severe skin burns and eye damage
2.3 — Other hazards
- Other hazards
- None known
3.1 — Substance
- Name
- Phosphoric Acid
- CAS No.
- 7664-38-2
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- Wash with plenty of soap and water. Seek medical attention if irritation develops.
- 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.
- First-aid measures after ingestion
- Rinse mouth. Do NOT induce vomiting. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Corrosive effects on 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
- 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
- Flammable hydrogen gas is formed on contact with metals.
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 neutralize with a suitable alkaline material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. Carefully collect remainder.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use gloves and eye protection. Avoid contact with skin and eyes.
- 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
- Dry. Well closed. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Store in an area without drain or sewer access.
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; use respiratory protection if necessary.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 1.0 (1% solution)
- Relative evaporation rate (butylacetate=1)
- <1
- Melting point
- 42.4 °C
- Freezing point
- Not applicable
- Boiling point
- 407 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 0.3 mmHg at 20 °C
- Relative vapour density at 20°C
- Relative vapor density (air = 1): 3.4
- Density
- 1.8741 (100% solution); 1.6850 (85% solution); 1.334 (50% solution), all at 25 °C
- Solubility
- Soluble in water, alcohol; soluble in 8 volumes of 3:1 ether:alcohol mixture
- Log Pow
- -0.77 (estimated)
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts with strong bases and metals.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance is a medium strong acid. Reacts violently with bases. The substance violently polymerizes under the influence of azo compounds and epoxides.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong bases, metals, and oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Combustion by-products include oxides of phosphorus.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 1530 mg/kg; LC50 Rabbit inhalation 1.689 mg/L 1 hr; LD50 Rabbit skin 2740 mg/kg
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- 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)
- 1805
- UN-No. (IMDG)
- 1805
- UN-No. (IATA)
- 1805
- UN-No. (ADN)
- 1805
- UN-No. (RID)
- 1805
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Phosphoric acid
- Proper Shipping Name (IMDG)
- Phosphoric acid
- Proper Shipping Name (IATA)
- Phosphoric acid
- Proper Shipping Name (ADN)
- Phosphoric acid
- Proper Shipping Name (RID)
- Phosphoric acid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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
Used as an analytical-grade acid reagent in buffer preparation and titration research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01183
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 98.00 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Clear colorless viscous liquid | Clear colorless viscous liquid |
| Assay | 88% | 88.74% |
| Wt /ml at 20°C | About 1.71g | 1.682g |
| Copper (Cu) | <0.0005% | 0.0004% |
| Nitrate (NO3) | <0.0005% | 0.0004% |
| Silicate (SiO2) | <0.025% | 0.009% |
| Sulphate (SO4) | <0.002% | <0.002% |
| Arsenic (As) | <0.0001% | <0.0001% |
| Calcium (Ca) | <0.004% | 0.003% |
| Copper (Cu) | <0.0005% | 0.0004% |
| Iron (Fe) | <0.0015% | 0.0009% |
| Lead (Pb) | <0.001% | <0.001% |
| Magnesium (Mg) | <0.004% | <0.004% |
| Manganese (Mn) | <0.0005% | 0.0004% |
| Potassium (K) | <0.005% | 0.003% |
| Sodium (Na) | <0.05% | <0.05% |
| Substance reducing by | <0.001% | 0.0009% |
| KMnO4 | <0.001% | <0.001% |
| Volatile acid (as CH3 .COOH) |
The above product complies with AR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR grade, 88% | 88% | m.p. 42.4 °C; b.p. 407 °C | <1% | <0.1% | None detected | Soluble in water, alcohol; soluble in 8 volumes of 3:1 ether:alcohol mixture |
Related Products
View AllWhy buy from Alpha Chemika
What Our Scientific & Industrial Customers Say
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
Common Questions About Laboratory Chemicals & Solutions
Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.
Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.
Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.
Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.
Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.
Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.
Connect with Us for Your Requirements
Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.