p-Anisidine
- CAS Number
- 104-94-9
- HSN Code
- 29222990
- Molecular Formula
- C7H9NO
- Catalogue Number
- AL0449
- Purity
- ≥ 98%
- Molecular Weight
- 123.16 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
P-anisidine is a substituted aniline that is aniline in which the hydrogen para to the amino group has been replaced by a methoxy group. It is used as a reagent for the detection of oxidation products such as aldehydes and ketones in fats and oils.
Also known as 4-Methoxyaniline.
- Catalogue No.
- AL0449
- CAS Number
- 104-94-9
- Molecular Formula
- C7H9NO
- Molecular Weight
- 123.16 g/mol
- HSN Code
- 29222990
- Grade
- 98%
- Product Form
- Substance
Melting point: 57.2 °C; Boiling point: 243 °C; Flash point: 122 °C (251.6 °F) (closed cup); Density: 1.071 at 57 °C/4 °C; Solubility: Soluble in acetone, benzene; very soluble in ether, ethanol.
- Appearance
- White solid
- Shelf Life
- 2 years
- Packaging
- Available in: 500 gm glass bottle
- Storage
- Separated from strong oxidants, strong bases, acids, chloroformates and food and feedstuffs. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- p-Anisidine
- Catalogue No.
- AL0449
- Product form
- Substance
- CAS Number
- 104-94-9
- EC Number
- 203-254-2
- Grade
- 98%
- EC Index Number
- 612-002-00-7
- Chemical Formula
- C7H9NO
- HSN Code
- 29222990
- Synonyms
- 4-Methoxyaniline
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Intermediate in the synthesis of dyes and in the p-anisidine value test for fats and oils.
- 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; Acute Tox. 1; STOT RE 2; Aquatic Acute 1
- Classification source
- ECHA C&L Inventory via PubChem CID 7732 - 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, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H300: Fatal if swallowed; H310: Fatal in contact with skin; H330: Fatal if inhaled; H373: May causes damage to organs through prolonged or repeated exposure; H400: Very toxic to aquatic life
2.3 — Other hazards
- Other hazards
- May cause respiratory irritation; harmful if swallowed or in contact with skin.
3.1 — Substance
- Name
- p-Anisidine
- CAS No.
- 104-94-9
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.
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
- Provision to contain effluent from fire extinguishing.
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 spill and prevent entry into waterways.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: filter respirator for organic gases and particulates 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
- Avoid contact with skin and eyes. Use in a fume hood with appropriate personal protective equipment.
- 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 bases, acids, chloroformates and food and feedstuffs. Provision to contain effluent from fire extinguishing. 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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to tan
- Odour
- Amine-like odor
- Odour threshold
- No data available
- pH value
- No data available
- Relative evaporation rate (butylacetate=1)
- No data available
- Melting point
- 57.2 °C
- Freezing point
- No data available
- Boiling point
- 243 °C
- Flash point
- 122 °C (251.6 °F) (closed cup)
- Auto-ignition temperature
- 515 °C
- Decomposition temperature
- No data available
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- 3.0X10-2 mm Hg at 20 °C
- Relative vapour density at 20°C
- 4.28 (Air = 1)
- Density
- 1.071 at 57 °C/4 °C
- Solubility
- Soluble in acetone, benzene; very soluble in ether, ethanol
- Log Pow
- 0.95
- Viscosity, kinematic
- No data available
- Viscosity, dynamic
- No data available
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- No data available
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 including nitrogen oxides. The solution in water 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
- When heated to decomposition it emits toxic fumes of nitrogen oxides.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 1400 mg/kg; LD50 Rat skin 3200 mg/kg; LD50 Rat ip 1400 mg/kg
- 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)
- 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)
- 2811
- UN-No. (IMDG)
- 2811
- UN-No. (IATA)
- 2811
- UN-No. (ADN)
- 2811
- UN-No. (RID)
- 2811
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (IMDG)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (IATA)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (ADN)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (RID)
- Toxic solid, organic, n.o.s.
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 as the key reagent in the p-anisidine value test for measuring secondary oxidation products in fats and oils, and as a dye intermediate.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00155
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 123.16 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 99.5% |
| Melting Point | -2 °C | -1.8 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in ethanol and ether | Soluble in both solvents. |
The above product is expected to comply with 98% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | ≥ 98% | m.p. 57.2 °C; b.p. 243 °C | ≤ 0.5% | ≤ 0.1% | None detected by HPLC | Soluble in acetone, benzene; very soluble in ether, ethanol |
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