p-Rosaniline hydrochloride
- CAS Number
- 569-61-9
- HSN Code
- 32041929
- Molecular Formula
- C19H18ClN3
- Catalogue Number
- AL01292
- Purity
- min. 88%
- Molecular Weight
- 323.83 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
p-Rosaniline hydrochloride (M.S., C.I. No.42500) is a stable salt form of the dye pararosaniline, recognized for its vibrant color and utility in various chemical applications. This compound is particularly notable for its role in the preparation of Schiff's reagent, which is essential in histological staining techniques, especially for detecting polysaccharides in tissues. With a minimum dye content of 88%, it is classified under the color index as C.I. No.42500, making it a reliable choice for laboratories and research settings. Its molecular weight of 323.83 g/mol and specific molecular formula highlight its complex structure, which contributes to its chemical properties and applications.
Also known as pararosaniline hydrochloride.
- Catalogue No.
- AL01292
- CAS Number
- 569-61-9
- Molecular Formula
- C19H18ClN3
- Molecular Weight
- 323.83 g/mol
- HSN Code
- 32041929
- Grade
- M.S.
- Product Form
- Substance
p-Rosaniline hydrochloride appears as a dark green to bronze crystalline powder, indicative of its rich dye characteristics. It has a melting point of approximately 200 °C, which is typical for many organic dyes. The compound is soluble in water, allowing for easy preparation of solutions for laboratory use. Its density is around 1.2 g/cm³, which is consistent with similar organic compounds. The compound has a characteristic odor, although specific threshold values are not well-documented. It is important to handle this substance with care due to its potential irritant properties.
- Appearance
- Dark green to bronze crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 100 g and 500 g containers
- Storage
- Store in a cool, dry place, away from light.
1.1 — Product identifier
- Chemical Name
- p-Rosaniline hydrochloride
- Catalogue No.
- AL01292
- Product form
- Substance
- CAS Number
- 569-61-9
- EC Number
- 209-553-4
- Grade
- M.S.
- EC Index Number
- 612-007-00-5
- Chemical Formula
- C19H18ClN3
- HSN Code
- 32041929
- Synonyms
- pararosaniline hydrochloride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Dye and reagent in histological applications
- 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 respiratory irritation; avoid inhalation of dust.
3.1 — Substance
- Name
- p-Rosaniline hydrochloride
- CAS No.
- 569-61-9
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 the respiratory tract, skin, and eyes.
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 in a fire; use appropriate fire-fighting measures.
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 collect using appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate personal protective equipment and dispose of waste according to local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid dust formation. Use in a well-ventilated area and wear appropriate protective equipment.
- 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 a dust mask or respirator if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Dark green to bronze
- Odour
- Characteristic
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 200 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.2 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not specified
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; avoid 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, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; may cause irritation.
- Skin corrosion/irritation
- May cause skin irritation.
- Serious eye damage/irritation
- May cause 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
p-Rosaniline hydrochloride is primarily used in the preparation of Schiff's reagent, a critical component in the periodic acid-Schiff (PAS) staining technique, which is widely employed in histology to identify polysaccharides and glycoproteins in biological tissues. Beyond histological applications, it is also utilized in the textile industry for dyeing fabrics, providing vibrant colors to various materials. Additionally, this compound finds use in the production of other dyes and pigments, contributing to its significance in chemical manufacturing and research. Its role in analytical chemistry, particularly in colorimetric assays, further underscores its versatility and importance in laboratory settings.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01292
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 323.83 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay (Dye Content) | min. 88% | 90% |
| Moisture Content | < 1% | 0.5% |
| Residue on Ignition | < 0.5% | 0.3% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in water | Fully soluble in water at room temperature |
The above product is expected to comply with M.S. grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| M.S. | min. 88% | 200 °C | < 1% | < 0.5% | None detected | Soluble in water |
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