Phosphorus pentoxide

AR grade For Laboratory Use
CAS Number
1314-56-3
HSN Code
28091000
Molecular Formula
P2O5
Catalogue Number
AL1190A
Purity
98%
Molecular Weight
141.94 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance White crystalline powder or lumps
Shelf Life -
Packaging -
Storage Store in a cool, dry place, away from moisture and incompatible materials.

This AR-grade phosphorus pentoxide has tighter purity control for precise analytical/synthesis use. It is a highly effective dehydrating agent and desiccant, essential for various laboratory applications.

Also known as Phosphoric anhydride.

Catalogue No.
AL1190A
CAS Number
1314-56-3
Molecular Formula
P2O5
Molecular Weight
141.94 g/mol
HSN Code
28091000
Grade
AR grade
Product Form
Substance

White crystalline powder or lumps, extremely hygroscopic. It has a melting point of 340 °C and a boiling point of 360 °C (decomposes).

Appearance
White crystalline powder or lumps
Shelf Life
-
Packaging
-
Storage
Store in a cool, dry place, away from moisture and incompatible materials.

1.1 — Product identifier

Chemical Name
Phosphorus pentoxide
Catalogue No.
AL1190A
Product form
Substance
CAS Number
1314-56-3
EC Number
215-233-0
Grade
AR grade
EC Index Number
015-011-00-6
Chemical Formula
P2O5
HSN Code
28091000
Synonyms
Phosphoric anhydride

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Desiccant, dehydrating agent, 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

2.3 — Other hazards

Other hazards
Highly corrosive; reacts violently with water.

3.1 — Substance

Name
Phosphorus pentoxide
CAS No.
1314-56-3

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 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 and seek medical attention.
First-aid measures after ingestion
Do not induce vomiting. Rinse mouth and 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; may cause severe burns.

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 cause or enhance combustion of other materials.

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
Evacuate area and ventilate. Use appropriate protective equipment.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Avoid water contact. Use dry methods to collect and dispose of material.

6.4 — Reference to other sections

Reference
Not specified

7.1 — Precautions for safe handling

Precautions for safe handling
Handle in a fume hood with appropriate PPE including gloves and goggles.
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 tightly closed container in a cool, dry place, away from moisture.

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 appropriate respiratory protection if dust is generated.

9.1 — Information on basic physical and chemical properties

Physical state
Solid
Colour
White
Odour
Odourless
Odour threshold
Not applicable
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
340 °C
Freezing point
Not applicable
Boiling point
360 °C (decomposes)
Flash point
Not applicable
Auto-ignition temperature
Not applicable
Decomposition temperature
Not applicable
Flammability (solid, gas)
Not flammable
Vapour pressure
Not applicable
Relative vapour density at 20°C
Not applicable
Density
2.39 g/cm³
Solubility
Reacts violently with water; insoluble in organic solvents
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
Highly reactive with water, forming phosphoric acid.

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
Water, moisture, strong bases, and reducing agents.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Not classified as acutely toxic, but can cause severe irritation and burns.
Skin corrosion/irritation
Causes severe skin burns.
Serious eye damage/irritation
Causes serious eye damage.
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)
1807
UN-No. (IMDG)
1807
UN-No. (IATA)
1807
UN-No. (ADN)
1807
UN-No. (RID)
1807

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Phosphorus pentoxide
Proper Shipping Name (IMDG)
Phosphorus pentoxide
Proper Shipping Name (IATA)
Phosphorus pentoxide
Proper Shipping Name (ADN)
Phosphorus pentoxide
Proper Shipping Name (RID)
Phosphorus pentoxide

14.3 — Transport hazard class(es)

Transport hazard class(es)
8

14.4 — Packing group

Packing group (ADR)
II
Packing group (IMDG)
II
Packing group (IATA)
II
Packing group (ADN)
II
Packing group (RID)
II

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 desiccant/dehydrating reagent in organic synthesis research. It is also utilized in the production of phosphoric acid and as a dehydrating agent in various chemical reactions.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL1190A
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
141.94 g/mol
Test Standard Observed
Assay 98% min 98.5%
Moisture Content <0.5% 0.3%
Residue on Ignition <0.1% 0.05%
Related Substances None detected None detected

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 98% 340 °C (melting), 360 °C (decomposes) <0.5% <0.1% None detected Reacts violently with water.
View full Technical Data Sheet

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