L-Ascorbic Acid
- CAS Number
- 50-81-7
- HSN Code
- 29362700
- Molecular Formula
- C6H8O6
- Catalogue Number
- AL0503
- Purity
- ≥ 99%
- Molecular Weight
- 176.13 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
L-ascorbic acid is the L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate. It has a role as a geroprotector, a coenzyme, a cofactor, a flour treatment agent, a plant metabolite, a food antioxidant, a food colour retention agent and a skin lightening agent.
Also known as Vitamin C, L-ascorbate.
- Catalogue No.
- AL0503
- CAS Number
- 50-81-7
- Molecular Formula
- C6H8O6
- Molecular Weight
- 176.13 g/mol
- HSN Code
- 29362700
- Grade
- 99%
- Product Form
- Substance
Melting point: 374 to 378 °F (decomposes); Density: 1.65 g/cu cm at 25 °C; Solubility: Insoluble in ether, chloroform, benzene, petroleum ether, oils, fats, fat solvents.
- Appearance
- Crystals (usually plates, sometimes needles, monoclinic system)
- Shelf Life
- 2 years
- Packaging
- Available in: 100 gm plastic bottle, 500 gm plastic bottle
- Storage
- Separated from strong oxidants and strong bases.
1.1 — Product identifier
- Chemical Name
- L-Ascorbic Acid
- Catalogue No.
- AL0503
- Product form
- Substance
- CAS Number
- 50-81-7
- EC Number
- 200-066-2
- Grade
- 99%
- EC Index Number
- 608-059-00-2
- Chemical Formula
- C6H8O6
- HSN Code
- 29362700
- Synonyms
- Vitamin C, L-ascorbate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Antioxidant, reducing agent, nutritional reference standard
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Not classified as hazardous (majority of notifications to the ECHA C&L Inventory)
- Classification source
- ECHA C&L Inventory via PubChem CID 54670067 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- None required
- Signal word
- None
- Hazard statements
- None
2.3 — Other hazards
- Other hazards
- None known
3.1 — Substance
- Name
- L-Ascorbic Acid
- CAS No.
- 50-81-7
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
- IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water.
- First-aid measures after eye contact
- First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center.
- 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
- Nausea, vomiting, diarrhea in excessive doses.
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
- Dust explosion possible if in powder or granular form, mixed with air.
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
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Collect the spilled substance into containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.
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
- Separated from strong oxidants and strong bases.
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
- Not required under normal conditions of use.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to pale yellow
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 2.1 - 2.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 374 to 378 °F (decomposes)
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- 380 °C
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.65 g/cu cm at 25 °C
- Solubility
- Insoluble in ether, chloroform, benzene, petroleum ether, oils, fats, fat solvents
- Log Pow
- -1.85
- 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 recommended storage conditions.
10.2 — Chemical stability
- Chemical stability
- Stable to air when dry; impure preparation and in many natural products vitamin oxidizes on exposure to air and light. Aqueous solutions are rapidly oxidized by air, accelerated by alkalies, iron, copper.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance is a strong reducing agent. It reacts violently with oxidants. The solution in water is a medium strong acid.
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
- When heated to decomposition it emits acrid smoke and irritating fumes.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 11,900 mg/kg; LD50 Rat oral > 5000 mg/kg bw; LD50 Rat sc 5,000 mg/kg bw
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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 applicable
- UN-No. (IMDG)
- Not applicable
- UN-No. (IATA)
- Not applicable
- UN-No. (ADN)
- Not applicable
- UN-No. (RID)
- Not applicable
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
Used as an antioxidant, reducing agent, and nutritional reference standard in biochemistry, food science, and pharmaceutical research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00190
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 176.13 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| pH (1% solution) | 2.1 - 2.5 | 2.3 |
| Related Substances | None detected | None detected |
The above product is expected to comply with 99% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% | ≥ 99% | m.p. 374 to 378 °F (decomposes) | ≤ 0.5% | ≤ 0.1% | None detected | Insoluble in ether, chloroform, benzene, petroleum ether, oils, fats, fat solvents |
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