Maleic Hydrazide

98% Extra Pure For Laboratory Use
CAS Number
123-33-1
HSN Code
29339990
Molecular Formula
C4H4N2O2
Catalogue Number
AL0940A
Purity
≥ 98%
Molecular Weight
112.09 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance White crystalline powder
Shelf Life 2 years
Packaging 25 kg bags
Storage Store in a cool, dry place away from ignition sources.

Maleic hydrazide (extra pure) is a plant growth regulator historically used to inhibit sprouting in stored crops.

Also known as 1,2-Dihydropyridazine-3,6-dione.

Catalogue No.
AL0940A
CAS Number
123-33-1
Molecular Formula
C4H4N2O2
Molecular Weight
112.09 g/mol
HSN Code
29339990
Grade
98% Extra Pure
Product Form
Substance

White crystalline powder; slightly soluble in water.

Appearance
White crystalline powder
Shelf Life
2 years
Packaging
25 kg bags
Storage
Store in a cool, dry place away from ignition sources.

1.1 — Product identifier

Chemical Name
Maleic Hydrazide
Catalogue No.
AL0940A
Product form
Substance
CAS Number
123-33-1
EC Number
204-650-0
Grade
98% Extra Pure
EC Index Number
Not specified
Chemical Formula
C4H4N2O2
HSN Code
29339990
Synonyms
1,2-Dihydropyridazine-3,6-dione

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Plant growth regulator
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

2.3 — Other hazards

Other hazards
None identified

3.1 — Substance

Name
Maleic Hydrazide
CAS No.
123-33-1

4.1 — Description of first aid measures

First-aid measures after inhalation
Move to fresh air. Seek medical attention if symptoms persist.
First-aid measures after skin contact
Wash with soap and water. Seek medical attention if irritation develops.
First-aid measures after eye contact
Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention if irritation persists.
First-aid measures after ingestion
Do not induce vomiting. Rinse mouth and seek medical attention.

4.2 — Most important symptoms and effects, both acute and delayed

Symptoms relating to use
Irritation of eyes, skin, and respiratory tract.

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
Flammable solid; may produce toxic fumes in a 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
Evacuate area and eliminate all ignition sources. Use appropriate protective equipment.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Sweep up and place in a suitable container for disposal. Avoid generating dust.

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 well-ventilated area.
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
Store in a cool, dry place away from heat and ignition sources.

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 dust is generated.

9.1 — Information on basic physical and chemical properties

Physical state
Solid
Colour
White
Odour
Odourless
Odour threshold
Not applicable
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
> 150 °C
Freezing point
Not applicable
Boiling point
Not applicable
Flash point
Not applicable
Auto-ignition temperature
Not applicable
Decomposition temperature
> 200 °C
Flammability (solid, gas)
Flammable solid
Vapour pressure
Not applicable
Relative vapour density at 20°C
Not applicable
Density
1.25 g/cm³
Solubility
Slightly soluble in water; soluble in organic solvents
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Not explosive
Oxidising properties
Not oxidising
Explosive limits
Not applicable

10.1 — Reactivity

Reactivity
Stable under normal conditions; avoid heat and ignition sources.

10.2 — Chemical stability

Chemical stability
Stable under recommended storage conditions.

10.3 — Possibility of hazardous reactions

Possibility of hazardous reactions
No dangerous reactions known under normal conditions of use.

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, strong bases.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
LD50 (oral, rat) > 2000 mg/kg
Skin corrosion/irritation
May cause skin irritation.
Serious eye damage/irritation
May cause eye irritation.
Respiratory or skin sensitisation
Not a sensitizer.
Germ cell mutagenicity
Not classified
Carcinogenicity
Not classified
Specific target organ toxicity (single exposure)
Not classified as a specific target organ toxicant.
Specific target organ toxicity (repeated exposure)
Not classified

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)
1325
UN-No. (IMDG)
1325
UN-No. (IATA)
1325
UN-No. (ADN)
1325
UN-No. (RID)
1325

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Flammable solid, n.o.s.
Proper Shipping Name (IMDG)
Flammable solid, n.o.s.
Proper Shipping Name (IATA)
Flammable solid, n.o.s.
Proper Shipping Name (ADN)
Flammable solid, n.o.s.
Proper Shipping Name (RID)
Flammable solid, n.o.s.

14.3 — Transport hazard class(es)

Transport hazard class(es)
4.1

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 a plant growth regulator reference compound in agrochemical sprout-inhibitor research.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL0940A
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
112.09 g/mol
Test Standard Observed
Description White crystalline powder White crystalline powder
Assay (Min.) 98.0% 98.26%

The above product complies with EP grade

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
98% Extra Pure ≥ 98% Melting point > 150 °C ≤ 1% ≤ 0.5% None detected Slightly soluble in water; soluble in organic solvents
View full Technical Data Sheet

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