4,4'-Diaminodiphenylmethane
- CAS Number
- 101-77-9
- HSN Code
- 29215990
- Molecular Formula
- C13H14N2
- Catalogue Number
- AL1658
- Purity
- ≥ 98%
- Molecular Weight
- 198.26 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
4,4'-diaminodiphenylmethane appears as a tan flake or lump solid with a faint fishlike odor. May be toxic by inhalation or ingestion, and may be irritating to skin.
Also known as MDA, 4,4-Diaminodiphenylmethane.
- Catalogue No.
- AL1658
- CAS Number
- 101-77-9
- Molecular Formula
- C13H14N2
- Molecular Weight
- 198.26 g/mol
- HSN Code
- 29215990
- Grade
- 98%
- Product Form
- Substance
Melting point: 92.5 °C; Boiling point: 398 °C; Flash point: 428 °F (220 °C) (closed cup); Density: 1.070 g/mL at 103 °C; Solubility: Slightly sol in cold water. Very sol in alcohol, benzene, ether.
- Appearance
- Crystals from water or benzene
- Shelf Life
- -
- Packaging
- Available in: 250 gm plastic bottle
- Storage
- Separated from strong oxidants and food and feedstuffs. Well closed. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
1.1 — Product identifier
- Chemical Name
- 4,4'-Diaminodiphenylmethane
- Catalogue No.
- AL1658
- Product form
- Substance
- CAS Number
- 101-77-9
- EC Number
- 202-974-4
- Grade
- 98%
- EC Index Number
- Not specified
- Chemical Formula
- C13H14N2
- HSN Code
- 29215990
- Synonyms
- MDA, 4,4-Diaminodiphenylmethane
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Curing agent for epoxy resins and precursor to MDI isocyanates.
- 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
- Skin Sens. 1; Muta. 2; Carc. 1B; STOT SE 1; STOT RE 2; Aquatic Chronic 2
- Classification source
- ECHA C&L Inventory via PubChem CID 7577 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Irritant, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H317: May cause an allergic skin reaction; H341: Suspected of causing genetic defects; H350: May cause cancer; H370: Causes damage to organs; H373: May causes damage to organs through prolonged or repeated exposure; H411: Toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- Suspected carcinogen; may cause skin and eye irritation.
3.1 — Substance
- Name
- 4,4'-Diaminodiphenylmethane
- CAS No.
- 101-77-9
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
- 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: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into sealable 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 with gloves and in a fume hood. 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
- Separated from strong oxidants and food and feedstuffs. Well closed. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
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
- Faint, amine-like odor
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 92.5 °C
- Freezing point
- Not specified
- Boiling point
- 398 °C
- Flash point
- 428 °F (220 °C) (closed cup)
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- 2.03X10-7 mm Hg at 25 °C
- Relative vapour density at 20°C
- 6.8 (Air = 1)
- Density
- 1.070 g/mL at 103 °C
- Solubility
- Slightly sol in cold water. Very sol in alcohol, benzene, ether
- Log Pow
- 1.59
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidising
- 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
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance is a weak base. Reacts violently with strong oxidants.
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 highly toxic fumes of aniline and NOx.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 120-250 mg/kg; LD50 Dog oral 300 ppm; LD50 Rat intraperitoneal 193 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
- H317: May cause an allergic skin reaction
- Germ cell mutagenicity
- H341: Suspected of causing genetic defects
- Carcinogenicity
- H350: May cause cancer
- Specific target organ toxicity (single exposure)
- H370: Causes damage to organs
- 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)
- 2651
- UN-No. (IMDG)
- 2651
- UN-No. (IATA)
- 2651
- UN-No. (ADN)
- 2651
- UN-No. (RID)
- 2651
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- 4,4'-Diaminodiphenylmethane
- Proper Shipping Name (IMDG)
- 4,4'-Diaminodiphenylmethane
- Proper Shipping Name (IATA)
- 4,4'-Diaminodiphenylmethane
- Proper Shipping Name (ADN)
- 4,4'-Diaminodiphenylmethane
- Proper Shipping Name (RID)
- 4,4'-Diaminodiphenylmethane
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 an epoxy resin curing agent and as the key precursor to MDI, a central isocyanate used in polyurethane production.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2166D
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 198.26 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 99.2% |
| Melting Point | 90-92 °C | 91 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 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 98% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | ≥ 98% | m.p. 92.5 °C; b.p. 398 °C | ≤ 0.5% | ≤ 0.1% | None detected | Slightly sol in cold water. Very sol in alcohol, benzene, ether |
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