alpha-Naphthylamine
- CAS Number
- 134-32-7
- HSN Code
- 29214511
- Molecular Formula
- C10H9N
- Catalogue Number
- AL3182
- Purity
- 99% min
- Molecular Weight
- 143.19 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
1-naphthylamine is a naphthylamine that is naphthalene substituted by an amino group at position 1. It has a role as a human xenobiotic metabolite.
Also known as 1-Naphthylamine, 1-Aminonaphthalene.
- Catalogue No.
- AL3182
- CAS Number
- 134-32-7
- Molecular Formula
- C10H9N
- Molecular Weight
- 143.19 g/mol
- HSN Code
- 29214511
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
Melting point: 49.2 °C; Boiling point: 300.7 °C; Flash point: 157 °C, 315 °F, (closed cup); Density: 1.114 g/cu cm; Solubility: Crystal powder; becomes bluish on exposure to air and light. Sol in about 27 parts water; sol in alcohol and ether.
- Appearance
- Needles from ethanol (aq) or ether
- Shelf Life
- -
- Packaging
- Available in: 100 gm plastic bottle, 500 gm plastic bottle
- Storage
- Dry. Keep in the dark. Well closed.
1.1 — Product identifier
- Chemical Name
- alpha-Naphthylamine
- Catalogue No.
- AL3182
- Product form
- Substance
- CAS Number
- 134-32-7
- EC Number
- 205-138-7
- Grade
- AR
- EC Index Number
- 612-002-00-7
- Chemical Formula
- C10H9N
- HSN Code
- 29214511
- Synonyms
- 1-Naphthylamine, 1-Aminonaphthalene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Intermediate in dye and pharmaceutical 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. 4; Aquatic Chronic 2
- Classification source
- ECHA C&L Inventory via PubChem CID 8640 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Irritant, Environmental Hazard
- Signal word
- Warning
- Hazard statements
- H302: Harmful if swallowed; H411: Toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- Carcinogenic; handle with extreme care.
3.1 — Substance
- Name
- alpha-Naphthylamine
- CAS No.
- 134-32-7
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 wash the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing, wash the skin with soap and water, and 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
- Headache, dizziness, nausea, skin irritation, respiratory distress.
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
- Toxic fumes may be released in a fire. Use water spray to cool containers.
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 wash away into sewer. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use personal protective equipment. Avoid contact with skin, eyes, and clothing.
- 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. 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 respirator if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to pale tan
- Odour
- Ammonia-like odor.
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 49.2 °C
- Freezing point
- Not specified
- Boiling point
- 300.7 °C
- Flash point
- 157 °C, 315 °F, (closed cup)
- Auto-ignition temperature
- Auto-ignition temperature: 460 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- 4.18X10-3 mm Hg @ 25 °C
- Relative vapour density at 20°C
- 4.93 (Air= 1)
- Density
- 1.114 g/cu cm
- Solubility
- Crystal powder; becomes bluish on exposure to air and light. Sol in about 27 parts water; sol in alcohol and ether
- Log Pow
- 2.25
- 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, but may react with strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Oxidizes in air.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on burning. This produces nitrogen oxides and carbon monoxide. The substance is a weak base.
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
- The substance decomposes on burning producing nitrogen oxides and carbon monoxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 680 mg/kg bw; LC50 Rat inhalation >0.056 mg/L/4 hr; LD50 Rat (female) dermal 447 mg/kg bw
- 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)
- 2077
- UN-No. (IMDG)
- 2077
- UN-No. (IATA)
- 2077
- UN-No. (ADN)
- 2077
- UN-No. (RID)
- 2077
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- alpha-Naphthylamine
- Proper Shipping Name (IMDG)
- alpha-Naphthylamine
- Proper Shipping Name (IATA)
- alpha-Naphthylamine
- Proper Shipping Name (ADN)
- alpha-Naphthylamine
- Proper Shipping Name (RID)
- alpha-Naphthylamine
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
Used under strictly controlled research conditions due to carcinogenicity. It serves as an intermediate in the synthesis of dyes and pharmaceuticals.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1054B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 143.19 g/mol
| Test | Standard | Observed |
|---|---|---|
| Purity | 99% min | 99.5% |
| Melting Point | 62-64 °C | 63 °C |
| Moisture Content | 0.5% max | 0.3% |
| Residue on Ignition | 0.1% max | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Slightly soluble in water | Slightly soluble in water, soluble in organic solvents |
The above product is expected to comply with AR grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR | 99% min | m.p. 49.2 °C; b.p. 300.7 °C | 0.5% max | 0.1% max | None detected | Crystal powder; becomes bluish on exposure to air and light. Sol in about 27 parts water; sol in alcohol and ether |
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