Phosphorus trichloride
- CAS Number
- 7719-12-2
- HSN Code
- 28129000
- Molecular Formula
- PCl3
- Catalogue Number
- AL3552
- Purity
- ≥ 99%
- Molecular Weight
- 137.33 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Phosphorus trichloride is a phosphorus halide with formula Cl3P.
Also known as Phosphorus trichloride, Phosphorus chloride.
- Catalogue No.
- AL3552
- CAS Number
- 7719-12-2
- Molecular Formula
- PCl3
- Molecular Weight
- 137.33 g/mol
- HSN Code
- 28129000
- Grade
- 99% For Synthesis
- Product Form
- Substance
Melting point: -93.6 °C; Boiling point: 76.1 °C; Density: 1.574 at 21 °C; Solubility: Reacts with water, ethanol; soluble in benzene, chloroform, ether.
- Appearance
- Clear colorless, fuming liquid
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle
- Storage
- Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. See Chemical Dangers. Dry. Well closed. Ventilation along the floor.
1.1 — Product identifier
- Chemical Name
- Phosphorus trichloride
- Catalogue No.
- AL3552
- Product form
- Substance
- CAS Number
- 7719-12-2
- EC Number
- 231-749-3
- Grade
- 99% For Synthesis
- EC Index Number
- 015-012-00-8
- Chemical Formula
- PCl3
- HSN Code
- 28129000
- Synonyms
- Phosphorus trichloride, Phosphorus chloride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Chlorinating reagent in organic synthesis
- 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
- Acute Tox. 2; Skin Corr. 1A; STOT RE 2
- Classification source
- ECHA C&L Inventory via PubChem CID 24387 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic, Health Hazard
- Signal word
- Danger
- Hazard statements
- H300: Fatal if swallowed; H314: Causes severe skin burns and eye damage; H330: Fatal if inhaled; H373: May causes damage to organs through prolonged or repeated exposure
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause severe burns.
3.1 — Substance
- Name
- Phosphorus trichloride
- CAS No.
- 7719-12-2
4.1 — Description of first aid measures
- First-aid measures after inhalation
- If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
- First-aid measures after skin contact
- If this chemical contacts the skin, immediately flush the contaminated skin with water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. Get medical attention promptly.
- First-aid measures after eye contact
- If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
- First-aid measures after ingestion
- If this chemical has been swallowed, get medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Coughing, choking, irritation of the respiratory tract, skin burns, and eye damage.
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
- The vapor is heavier than air A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20 °C.
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. Wear appropriate protective equipment. Contain and neutralize spill with water cautiously.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in dry sand or inert absorbent. Then store and dispose of according to local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use in a fume hood with appropriate PPE including gloves and goggles. 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
- Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. See Chemical Dangers. Dry. Well closed. Ventilation along the floor.
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 a NIOSH-approved respirator if exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Pungent
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -93.6 °C
- Freezing point
- Not specified
- Boiling point
- 76.1 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 120 mm Hg at 25 °C
- Relative vapour density at 20°C
- 4.75 (air= 1)
- Density
- 1.574 at 21 °C
- Solubility
- Reacts with water, ethanol; soluble in benzene, chloroform, ether
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts violently with water, alcohols, and amines.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating. This produces toxic and corrosive fumes including hydrogen chloride and phosphorus oxides. Reacts with oxidants.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Water, alcohols, amines, strong bases, and oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits toxic fumes of hydrogen chloride and phosphorus oxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 550 mg/kg; LC50 Rat inhalation 104 ppm/4 hr; LC50 Rat Inhalation 0.592 mg/L/4 hr
- 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)
- H373: May causes damage to organs through prolonged or repeated exposure
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)
- 1809
- UN-No. (IMDG)
- 1809
- UN-No. (IATA)
- 1809
- UN-No. (ADN)
- 1809
- UN-No. (RID)
- 1809
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Phosphorus trichloride
- Proper Shipping Name (IMDG)
- Phosphorus trichloride
- Proper Shipping Name (IATA)
- Phosphorus trichloride
- Proper Shipping Name (ADN)
- Phosphorus trichloride
- Proper Shipping Name (RID)
- Phosphorus trichloride
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1 (8)
14.4 — Packing group
- Packing group (ADR)
- I
- Packing group (IMDG)
- I
- Packing group (IATA)
- I
- Packing group (ADN)
- I
- Packing group (RID)
- I
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 a chlorinating reagent in organophosphorus and pesticide/pharmaceutical intermediate synthesis research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01191
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 137.33 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Density | 1.574 g/mL | 1.575 g/mL |
| Boiling Point | 76.1 °C | 76.0 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 99% For Synthesis grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% For Synthesis | ≥ 99% | m.p. -93.6 °C; b.p. 76.1 °C | ≤ 0.5% | Not applicable | None detected | Reacts with water, ethanol; soluble in benzene, chloroform, ether |
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