2-Chloro-3,5-dinitropyridine

99% AR For Laboratory Use
CAS Number
2578-45-2
HSN Code
29333990
Molecular Formula
C5H2ClN3O4
Catalogue Number
AL02102
Purity
≥ 99%
Molecular Weight
203.54 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 Pale yellow crystalline solid
Shelf Life -
Packaging -
Storage Store at 2-8°C.

2-Chloro-3,5-dinitropyridine is a specialized reagent used for blocking the N-terminus of proteins in protein sequencing research.

Catalogue No.
AL02102
CAS Number
2578-45-2
Molecular Formula
C5H2ClN3O4
Molecular Weight
203.54 g/mol
HSN Code
29333990
Grade
99% AR
Product Form
Substance

Pale yellow crystalline solid.

Appearance
Pale yellow crystalline solid
Shelf Life
-
Packaging
-
Storage
Store at 2-8°C.

1.1 — Product identifier

Chemical Name
2-Chloro-3,5-dinitropyridine
Catalogue No.
AL02102
Product form
Substance
CAS Number
2578-45-2
EC Number
Not specified
Grade
99% AR
EC Index Number
Not specified
Chemical Formula
C5H2ClN3O4
HSN Code
29333990
Synonyms
Not specified

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

Use of the substance/mixture
Reagent for protein sequencing research
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
Not specified

3.1 — Substance

Name
2-Chloro-3,5-dinitropyridine
CAS No.
2578-45-2

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
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 immediately.

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

Symptoms relating to use
Toxic effects may include headache, dizziness, nausea, and 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.

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
Collect spillage and dispose of in accordance with local regulations.

6.4 — Reference to other sections

Reference
Not specified

7.1 — Precautions for safe handling

Precautions for safe handling
Handle with gloves 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
Store at 2-8°C in a tightly closed container.

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
Pale yellow
Odour
Not specified
Odour threshold
Not specified
pH value
Not specified
Relative evaporation rate (butylacetate=1)
Not specified
Melting point
Not specified
Freezing point
Not specified
Boiling point
Not specified
Flash point
Not specified
Auto-ignition temperature
Not specified
Decomposition temperature
Not specified
Flammability (solid, gas)
Not flammable
Vapour pressure
Not specified
Relative vapour density at 20°C
Not specified
Density
Not specified
Solubility
Slightly soluble in water, soluble in organic solvents
Log Pow
Not specified
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
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.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Toxic if swallowed, inhaled, or absorbed through skin.
Skin corrosion/irritation
Causes skin irritation.
Serious eye damage/irritation
Causes serious eye irritation.
Respiratory or skin sensitisation
May cause allergic skin reaction.
Germ cell mutagenicity
Not classified
Carcinogenicity
Not classified
Specific target organ toxicity (single exposure)
May cause respiratory irritation.
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)
UN 2811
UN-No. (IMDG)
UN 2811
UN-No. (IATA)
UN 2811
UN-No. (ADN)
UN 2811
UN-No. (RID)
UN 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)
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 a terminal N-blocking reagent for proteins in protein chemistry and sequencing research.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL02102
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
203.54 g/mol
Test Standard Observed
Assay ≥ 99% 99.5%
Appearance Pale yellow crystalline solid Pale yellow crystalline solid
Solubility Slightly soluble in water, soluble in organic solvents Slightly soluble in water, soluble in organic solvents

The above product is expected to comply with 99% AR grade specification.

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
99% AR ≥ 99% Not specified Not specified Not specified Not specified Slightly soluble in water, soluble in organic solvents
View full Technical Data Sheet

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