p-Phenylenediamine
- CAS Number
- 106-50-3
- HSN Code
- 29215130
- Molecular Formula
- C6H4(NH2)2
- Catalogue Number
- AL3498
- Purity
- ≥ 97%
- Molecular Weight
- 108.14 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
1,4-phenylenediamine is a phenylenediamine in which the amino functions are at positions 1 and 4 of the benzene nucleus. It has a role as a reagent, a dye, an allergen and a hapten.
Also known as 1,4-Diaminobenzene, 4-Aminoaniline.
- Catalogue No.
- AL3498
- CAS Number
- 106-50-3
- Molecular Formula
- C6H4(NH2)2
- Molecular Weight
- 108.14 g/mol
- HSN Code
- 29215130
- Grade
- 97% For Synthesis
- Product Form
- Substance
Melting point: 145-147 °C; Boiling point: 267 °C; Flash point: 156 °C c.c; Density: Greater than 1 (water= 1); Solubility: 4 % at 75 °F.
- Appearance
- White to purple crystalline solid (melting point 234 F) that turns purple to black in air
- Shelf Life
- -
- Packaging
- Available in: 100 gm glass bottle, 250 gm glass bottle, 500 gm glass bottle
- Storage
- Separated from strong oxidants, strong acids, acid anhydrides and food and feedstuffs. Keep in the dark. Well closed.
1.1 — Product identifier
- Chemical Name
- p-Phenylenediamine
- Catalogue No.
- AL3498
- Product form
- Substance
- CAS Number
- 106-50-3
- EC Number
- 203-404-7
- Grade
- 97% For Synthesis
- EC Index Number
- 612-005-00-4
- Chemical Formula
- C6H4(NH2)2
- HSN Code
- 29215130
- Synonyms
- 1,4-Diaminobenzene, 4-Aminoaniline
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in hair dye formulations and polymer 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. 3; Skin Sens. 1; Eye Irrit. 2A; Aquatic Acute 1; Aquatic Chronic 1
- Classification source
- ECHA C&L Inventory via PubChem CID 7814 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Acute Toxic, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H301: Toxic if swallowed; H311: Toxic in contact with skin; H317: May cause an allergic skin reaction; H319: Causes serious eye irritation; H331: Toxic if inhaled; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- May cause allergic skin reactions; harmful if inhaled.
3.1 — Substance
- Name
- p-Phenylenediamine
- CAS No.
- 106-50-3
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, promptly wash the contaminated skin with soap and water. If this chemical penetrates the clothing, promptly remove the clothing and wash the skin with soap and 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
- Symptoms of exposure may include skin irritation, respiratory issues, and allergic reactions.
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
- Dust explosion possible if in powder or granular form, mixed with air.
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. Wear appropriate protective equipment.
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. If appropriate, moisten first to prevent dusting.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle in a fume hood. Use gloves and protective eyewear.
- 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
- Separated from strong oxidants, strong acids, acid anhydrides and food and feedstuffs. Keep in the dark. Well closed.
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 ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to pale tan
- Odour
- Slight amine-like
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 145-147 °C
- Freezing point
- Not specified
- Boiling point
- 267 °C
- Flash point
- 156 °C c.c.
- Auto-ignition temperature
- 400 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- <1 mm Hg at 21 °C (technical product)
- Relative vapour density at 20°C
- 3.72 (AIR= 1)
- Density
- Greater than 1 (water= 1)
- Solubility
- 4 % at 75 °F
- Log Pow
- log Kow= -0.25
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; avoid strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on burning. This produces toxic fumes of nitrogen oxides. The substance is a strong reducing agent.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Toxic gases and vapors (such as oxides of nitrogen and carbon monoxide) may be released in a fire involving p-phenylenediamine.
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if swallowed, inhaled, or absorbed through skin.
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- H319: Causes serious eye irritation
- Respiratory or skin sensitisation
- H317: May cause an allergic skin reaction
- 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)
- UN 1673
- UN-No. (IMDG)
- UN 1673
- UN-No. (IATA)
- UN 1673
- UN-No. (ADN)
- UN 1673
- UN-No. (RID)
- UN 1673
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- p-Phenylenediamine
- Proper Shipping Name (IMDG)
- p-Phenylenediamine
- Proper Shipping Name (IATA)
- p-Phenylenediamine
- Proper Shipping Name (ADN)
- p-Phenylenediamine
- Proper Shipping Name (RID)
- p-Phenylenediamine
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
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
Primarily used as an oxidative hair-dye intermediate and in the synthesis of polymers, particularly in the production of Kevlar aramid fibers.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01172
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 108.14 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 97% | 98.5% |
| Melting Point | 140-142 °C | 141 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in water | Fully soluble in water at room temperature. |
The above product is expected to comply with 97% For Synthesis grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% For Synthesis | ≥ 97% | m.p. 145-147 °C; b.p. 267 °C | ≤ 0.5% | ≤ 0.1% | None detected | 4 % at 75 °F |
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