Vitamin C - Ascorbic Acid
This product is for external use only, it is not intended for use as a nutritional supplement.
NZ$ 6.60 - 154.00
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CAS No: 50-81-7

Name: Vitamin C - Ascorbic Acid

Uses: Laboratory chemicals.


Based on evaluation of currently available data this substance or mixture is not classifiable according to GHS

In emergency dial 111, and then ask for Fire, Ambulance or Police as necessary.

In case of poisoning phone National Poisons Centre – 0800 764 766.


Eye Contact           Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention.
Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur.
Inhalation Remove to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur.
Ingestion Do NOT induce vomiting. Get medical attention.


General Information           Flammable. Fire is possible at elevated temperatures or by contact with an ignition source.
Extinguisher Dry powder, foam and water spray.
Extinguishing Note Don’t stay in a danger area unless the chemical safeguard and oxygen supply equipment are prepared, avoiding the chemicals into the surface water and ground water


Personal Precautions     Use personal protective equipment as required. Ensure adequate ventilation. Avoid dust formation. Avoid contact with skin, eyes or clothing.
Environmental Precautions Avoid release to the environment.
Methods for Containment and Clean    Sweep up and shovel into suitable containers for disposal. Avoid dust formation.


Handling       Wear personal protective equipment/face protection. Ensure adequate ventilation. Avoid dust formation. Avoid contact with skin, eyes or clothing. Avoid ingestion and inhalation.
Storage Keep in a dry, cool and well-ventilated place. Refer product specification and/or product label for specific storage temperature requirement. Keep container tightly closed. Protect from direct sunlight. Store under an inert atmosphere.


Specifications Description Unit Typical Guaranteed Method Appearance: white or almost white crystalline powder or colourless crystals Conforms * Solubility: freely soluble in water, slightly soluble in ethanol, insoluble in chloroform Passes Test Identification A: positive reaction Passes Test Identification B: IR Passes Test Melting point deg C about 190.0 Specific rotation +20.5 to +21.5 pH, 5% w/v 2.1 - 2.6 * pH, 2% w/v 2.4 - 2.8 * Loss On Drying % Max 0.1 Residue On Ignition % Max 0.1 Assay % 99.0 - 100.5 Clarity of solution: clear Passes Test Colour of solution Max BY7 * Impurity E % Max 0.3 * Impurity C: max 0.15% Passes Test * Impurity D: max 0.15% Passes Test Unspecified Impurities: each impurity % Max 0.10 Total of impurities other than C and D % Max 0.2 * Heavy metals ppm Max 10 * Copper ppm Max 5 * Iron ppm Max 2 * Cadmium ppm Max 1 ICP-MS * Mercury ppm Max 1 ICP-MS * Lead ppm Max 1 * Arsenic ppm Max 1 ICP-MS * Total Plate Count cfu/g Max 1000 * Yeast and Moulds cfu/g Max 100 * Escherichia coli (in 1g) Absen

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