Maleic Acid
- CAS Number
- 110-16-7
- HSN Code
- 29171910
- Molecular Formula
- C4H4O4
- Catalogue Number
- AL2858
- Purity
- 99.5%
- Molecular Weight
- 116.08 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Maleic acid is a butenedioic acid in which the double bond has cis- (Z)-configuration. It has a role as a mouse metabolite, a plant metabolite and an algal metabolite.
Also known as Butenedioic acid, Fumaric acid (cis-isomer).
- Catalogue No.
- AL2858
- CAS Number
- 110-16-7
- Molecular Formula
- C4H4O4
- Molecular Weight
- 116.08 g/mol
- HSN Code
- 29171910
- Grade
- AR grade
- Product Form
- Substance
Melting point: 132.5 °C; Boiling point: 135 °C at 760 mmHg (decomposes); Flash point: 127 °C; Density: 1.590 g/cu cm at 20 °C; Solubility: In water, 788 gL at 25 °C, 3926 gL at 97.5 °C.
- Appearance
- Monoclinic prisms from water
- Shelf Life
- 2 years
- Packaging
- Available in: 100 gm plastic bottle, 500 gm plastic bottle
- Storage
- Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Dry. Store only in original packaging.
1.1 — Product identifier
- Chemical Name
- Maleic Acid
- Catalogue No.
- AL2858
- Product form
- Substance
- CAS Number
- 110-16-7
- EC Number
- 203-742-5
- Grade
- AR grade
- EC Index Number
- 607-095-00-8
- Chemical Formula
- C4H4O4
- HSN Code
- 29171910
- Synonyms
- Butenedioic acid, Fumaric acid (cis-isomer)
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in chemical synthesis and as a reagent in laboratories.
- 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; Skin Irrit. 2; Skin Sens. 1; Eye Irrit. 2; STOT SE 3
- Classification source
- ECHA C&L Inventory via PubChem CID 444266 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Irritant
- Signal word
- Warning
- Hazard statements
- H302: Harmful if swallowed; H315: Causes skin irritation; H317: May cause an allergic skin reaction; H319: Causes serious eye irritation; H335: May cause respiratory irritation
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause skin and eye irritation.
3.1 — Substance
- Name
- Maleic Acid
- CAS No.
- 110-16-7
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water.
- First-aid measures after eye contact
- First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the respiratory tract, skin, and eyes; nausea if ingested.
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
- Irritating smoke containing maleic anhydride may form in fire.
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
- Contain spill and absorb with inert material. Dispose of in accordance with local regulations.
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
- Avoid contact with skin and eyes. Use personal protective equipment as required.
- 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. Dry. Store only in original packaging.
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
- Odour
- Faint acidulous odor
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 132.5 °C
- Freezing point
- Not applicable
- Boiling point
- 135 °C at 760 mmHg (decomposes)
- Flash point
- 127 °C
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 1.34X10-5 mm Hg at 25 °C
- Relative vapour density at 20°C
- 4.0 (Air = 1)
- Density
- 1.590 g/cu cm at 20 °C
- Solubility
- In water, 788 gL at 25 °C, 3926 gL at 97.5 °C
- Log Pow
- -0.48
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts with strong oxidizing agents and bases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating and on burning. This produces highly irritating fumes including maleic anhydride. The solution in water is a medium strong acid.
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 bases, and reducing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits acrid smoke and irritating fumes.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 708 mg/kg; LD50 Mouse oral 2400 mg/kg; LD50 Rabbit dermal 1560 mg/kg
- Skin corrosion/irritation
- H315: Causes skin irritation
- 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)
- H335: May cause respiratory irritation
- 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 3261
- UN-No. (IMDG)
- UN 3261
- UN-No. (IATA)
- UN 3261
- UN-No. (ADN)
- UN 3261
- UN-No. (RID)
- UN 3261
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Corrosive solid, acidic, organic, n.o.s.
- Proper Shipping Name (IMDG)
- Corrosive solid, acidic, organic, n.o.s.
- Proper Shipping Name (IATA)
- Corrosive solid, acidic, organic, n.o.s.
- Proper Shipping Name (ADN)
- Corrosive solid, acidic, organic, n.o.s.
- Proper Shipping Name (RID)
- Corrosive solid, acidic, organic, n.o.s.
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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 analytical-grade reference compound in polymer chemistry research, as well as in the production of resins, coatings, and surfactants.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0939A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 116.08 g/mol
| Test | Standard | Observed |
|---|---|---|
| Purity | 99.5% min | 99.7% |
| Melting Point | 130-132 °C | 131 °C |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Related Substances | <0.5% | 0.2% |
The above product is expected to comply with AR grade grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR grade | 99.5% | m.p. 132.5 °C; b.p. 135 °C at 760 mmHg (decomposes) | <0.5% | <0.1% | <0.5% | In water, 788 gL at 25 °C, 3926 gL at 97.5 °C |
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