Sulfosalicylic Acid Dihydrate
- CAS Number
- 5965-83-3
- HSN Code
- 29182390
- Molecular Formula
- C7H6O6S·2H2O
- Catalogue Number
- AL01487
- Purity
- 99%
- Molecular Weight
- 254.21 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sulfosalicylic acid dihydrate, also known as 5-sulfosalicylic acid, is a highly pure organic compound recognized for its utility as a protein-precipitating reagent in both clinical and analytical chemistry. With a CAS number of 5965-83-3, this compound is characterized by its white crystalline appearance and is classified as an extra pure grade, making it suitable for sensitive applications. The dihydrate form of sulfosalicylic acid is particularly notable for its stability and solubility in water, which enhances its effectiveness in various chemical reactions. Its molecular structure includes a sulfonic acid group, contributing to its reactivity and functionality in biochemical assays.
Also known as 5-Sulfosalicylic Acid.
- Catalogue No.
- AL01487
- CAS Number
- 5965-83-3
- Molecular Formula
- C7H6O6S·2H2O
- Molecular Weight
- 254.21 g/mol
- HSN Code
- 29182390
- Grade
- Extra Pure
- Product Form
- Substance
Sulfosalicylic acid dihydrate appears as a white crystalline powder. It has a melting point of approximately 150 °C (decomposes), and its solubility in water is significant, allowing for easy preparation of solutions for laboratory use. The compound has a density of about 1.5 g/cm³. It is odorless and exhibits a pH of around 2.0 when dissolved in water, indicating its acidic nature. The compound is stable under normal conditions but should be stored in a cool, dry place to maintain its integrity.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 100 g and 500 g bottles
- Storage
- Store in a cool, dry place, away from incompatible materials and sources of moisture.
1.1 — Product identifier
- Chemical Name
- Sulfosalicylic Acid Dihydrate
- Catalogue No.
- AL01487
- Product form
- Substance
- CAS Number
- 5965-83-3
- EC Number
- 227-202-0
- Grade
- Extra Pure
- EC Index Number
- Not specified
- Chemical Formula
- C7H6O6S·2H2O
- HSN Code
- 29182390
- Synonyms
- 5-Sulfosalicylic Acid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Protein-precipitating reagent, chelating agent
- 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
- Corrosive to metals; may cause skin and eye irritation.
3.1 — Substance
- Name
- Sulfosalicylic Acid Dihydrate
- CAS No.
- 5965-83-3
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 skin thoroughly 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. Continue rinsing and seek medical attention.
- 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 skin, eyes, and respiratory tract; possible gastrointestinal discomfort 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
- Non-flammable, but may emit 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
- 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 environmental contamination.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Wear appropriate protective gloves, clothing, and eye/face protection. 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 in a cool, dry place, away from incompatible materials and moisture.
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
- Odourless
- Odour threshold
- Not applicable
- pH value
- 2.0 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 150 °C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.5 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not applicable
- 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; incompatible 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 bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a skin sensitizer.
- 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 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
Sulfosalicylic acid dihydrate is primarily utilized as a protein-precipitating reagent in clinical laboratories, particularly for urine protein testing, where it aids in the quantification of proteins in biological samples. Additionally, it serves as a chelating agent in various analytical chemistry applications, facilitating the detection and quantification of metal ions. Its role extends to use in biochemical research, where it is employed in the purification of proteins and enzymes. Furthermore, it is used in the formulation of certain pharmaceuticals and in the development of diagnostic tests, highlighting its versatility across multiple scientific fields.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01487
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 254.21 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99% min | 99.5% |
| Moisture Content | < 1% | 0.5% |
| Residue on Ignition | < 0.1% | 0.05% |
| Related Substances | < 0.5% | 0.3% |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Extra Pure | 99% | 150 °C (decomposes) | < 1% | < 0.1% | < 0.5% | Soluble in water |
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