Ascorbic Acid, ACS/ISO Grade

1. Identification

Product Identifiers

Product Name

Ascorbic Acid, ACS/ISO Grade - DISCONTINUED

Other Names

L-Ascorbic acid, L-Threoascorbic acid, Antiscorbutic factor, Vitamin C

Product Number(s)

C159

CAS Number

50-81-7

Recommended use of the chemical and restriction on use

Company Details

Emergency Contact Details

2. Hazards Identification

Classification of the substance or mixture

Label Elements

Signal Words

None

Hazard Statement(s)

Not available.

Precautionary Statement(s)

Not available.

Primary route(s) of entry

Human Health

Inhalation

Not available.

Ingestion

Not available.

Eyes

Not available.

Skin

Not available.

Environment

3. Composition / Information on Ingredients

No information provided.

4. First Aid Measures

Ingestion

Never give anything by mouth to an unconscious person. Rinse mouth with water.

Inhalation

If breathed in, move person into fresh air. If not breathing, give artificial respiration.

Skin Contact

Wash off with soap and plenty of water.

Eye Contact

Flush eyes with water as a precaution.

Other Information

No further relevant information available.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

HAZCHEM

Not available.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Avoid dust formation. Avoid breathing vapours, mist or gas.

Environmental precautions

Do not let product enter drains.

Methods and materials for containment and clean up

Sweep up and shovel. Keep in suitable, closed containers for disposal.

7. Handling and Storage

Precautions for safe handling

Provide appropriate exhaust ventilation at places where dust is formed. Normal measures for preventive fire protection.

Conditions for safe storage

• Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
• Light sensitive.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

No information available.

Personal protective equipment

Eye and face protection

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

• Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
• Wash and dry hands.
• The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.
• Full contact
• Material: Nitrile rubber
• Minimum layer thickness: 0.11 mm
• Break through time: 480 min
• Material tested: Dermatril® (KCL 740 / Aldrich Z677272, Size M)
• Splash contact
• Material: Nitrile rubber
• Minimum layer thickness: 0.11 mm
• Break through time: 480 min
• Material tested: Dermatril® (KCL 740 / Aldrich Z677272, Size M)
• data source: KCL GmbH, D-36124 Eichenzell, phone ±49 (0)6659 87300, e-mail sales@kcl.de, test
• method: EN374
• If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.

Body protection

Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place., The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.

Respiratory protection

Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).

9. Physical and Chemical Properties

General information

Appearance

Solid

Odour

Not available.

pH

1.0 - 2.5 at 176 g/l at 25 °C

Vapour Pressure

Not available.

Density

Not available.

Boiling Point

Not available.

Melting Point

193 °C

Solubility

176 g/l at 20 °C - completely soluble in water

Specific Gravity of Density

Not available.

Flash Point

Not available.

Flammable (Explosive) Limits

Not available.

Ignition Temperature

Not available.

Formula

C6H8O6

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

Stable under recommended storage conditions.

Possibility of hazardous reactions

No further relevant information available.

Conditions to avoid

Light.

Incompatible materials

Strong oxidising agents

11. Toxicological Information

Acute effects

• LD50 Oral - rat - 11,900 mg/kg
• Remarks: Sense Organs and Special Senses (Nose, Eye, Ear, and Taste):Eye:Lacrimation.
• Behavioral:Somnolence (general depressed activity). Diarrhoea

Eye contact

No further relevant information available.

Skin contact

No further relevant information available.

Ingestion

No further relevant information available.

Inhalation

No further relevant information available.

Toxicity and irritation

No further relevant information available.

12. Ecological Information

Ecotoxicity

No further relevant information available.

Persistence and degradability

No further relevant information available.

Bioaccumulative potential

No further relevant information available.

Other adverse effects

No further relevant information available.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

Not available.

UN Number

None.

Proper shipping name

Not regulated.

Transport hazard class

0

Packing group

None.

Environmental hazard

No information available.

Special precautions for users

No information available.

Additional information

No information available.

15. Regulatory Information

Poisons Schedule Number

No information available.

Other Information

No further relevant information available.

16. Other Information

SDS preparation date

18 February 2026

Comments

This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.