Eosin Y

Ready-to-use staining solution For Laboratory Use
CAS Number
-
HSN Code
38229090
Molecular Formula
C20H8Br4N2O5
Catalogue Number
AL00839
Purity
N/A
Molecular Weight
585.8 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 Orange-red liquid
Shelf Life 12 months
Packaging Available in 100 mL and 500 mL bottles
Storage Store in a cool, dry place away from direct sunlight.

J.S.B. stain solution 2 is the second component of the J.S.B. staining method, completing the malaria diagnostic stain. It is a ready-to-use eosin-based staining solution designed for use in laboratory diagnostics.

Also known as Eosin, Eosin Y, Acid Red 87.

Catalogue No.
AL00839
CAS Number
-
Molecular Formula
C20H8Br4N2O5
Molecular Weight
585.8 g/mol
HSN Code
38229090
Grade
Ready-to-use staining solution
Product Form
Mixture

The product is an orange-red liquid with a characteristic odor. It is soluble in water and has a density of approximately 1.1 g/cm³.

Appearance
Orange-red liquid
Shelf Life
12 months
Packaging
Available in 100 mL and 500 mL bottles
Storage
Store in a cool, dry place away from direct sunlight.

1.1 — Product identifier

Chemical Name
Eosin Y
Catalogue No.
AL00839
Product form
Mixture
CAS Number
Not applicable
EC Number
204-400-4
Grade
Ready-to-use staining solution
EC Index Number
607-198-00-0
Chemical Formula
C20H8Br4N2O5
HSN Code
38229090
Synonyms
Eosin, Eosin Y, Acid Red 87

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

Use of the substance/mixture
Staining agent for microscopy
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
May cause skin and eye irritation.

3.1 — Substance

Name
Eosin Y
CAS No.
Not applicable

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. If irritation occurs, seek medical attention.
First-aid measures after eye contact
Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
First-aid measures after ingestion
Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.

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

Symptoms relating to use
Irritation of skin and eyes, respiratory tract 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
May emit toxic fumes under fire conditions.

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
Use appropriate protective equipment. Clean up spills immediately to prevent slipping hazards.

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 tightly closed container in a cool, dry place.

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
Liquid
Colour
Orange-red
Odour
Characteristic
Odour threshold
Not determined
pH value
Not determined
Relative evaporation rate (butylacetate=1)
Not determined
Melting point
Not applicable
Freezing point
Not applicable
Boiling point
Not determined
Flash point
Not determined
Auto-ignition temperature
Not determined
Decomposition temperature
Not determined
Flammability (solid, gas)
Not applicable
Vapour pressure
Not determined
Relative vapour density at 20°C
Not determined
Density
~1.1 g/cm³
Solubility
Soluble in water
Log Pow
Not determined
Viscosity, kinematic
Not determined
Viscosity, dynamic
Not determined
Explosive properties
Not applicable
Oxidising properties
Not applicable
Explosive limits
Not applicable

10.1 — Reactivity

Reactivity
Stable under normal conditions.

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.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Not classified as acutely toxic.
Skin corrosion/irritation
May cause skin irritation.
Serious eye damage/irritation
Causes serious eye irritation.
Respiratory or skin sensitisation
Not classified as 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)
Not assigned
UN-No. (IMDG)
Not assigned
UN-No. (IATA)
Not assigned
UN-No. (ADN)
Not assigned
UN-No. (RID)
Not assigned

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Not classified as dangerous goods
Proper Shipping Name (IMDG)
Not classified as dangerous goods
Proper Shipping Name (IATA)
Not classified as dangerous goods
Proper Shipping Name (ADN)
Not classified as dangerous goods
Proper Shipping Name (RID)
Not classified as dangerous goods

14.3 — Transport hazard class(es)

Transport hazard class(es)
Not applicable

14.4 — Packing group

Packing group (ADR)
Not applicable
Packing group (IMDG)
Not applicable
Packing group (IATA)
Not applicable
Packing group (ADN)
Not applicable
Packing group (RID)
Not applicable

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

This solution is used in conjunction with J.S.B. stain solution 1 to perform the malaria diagnostic blood-film staining procedure, aiding in the identification of malaria parasites.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL00839
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
585.8 g/mol
Test Standard Observed
Appearance Orange-red liquid Orange-red liquid
Density ~1.1 g/cm³ 1.08 g/cm³
pH Not applicable Not applicable
Solubility Soluble in water Soluble in water

The above product is expected to comply with Ready-to-use staining solution grade specification.

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
Ready-to-use staining solution N/A N/A N/A N/A N/A Soluble in water
View full Technical Data Sheet

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