Certificate of Analysis
| Product Name |
Ascorbic Acid |
Inspection Date |
2016.06.11 |
| Manufacturing Date |
2016.06.06 |
Expire Date |
2019.05.29 |
| Lot NO |
160606-C01 |
CAS NO |
36431-82-0 |
Lot Size |
27000KG |
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| TEST ITEM |
SPECIFICATIONS |
TEST RESULTS |
| Characters |
White or almost white,crystalline powder or colourless crystals |
White crystalline powder |
| Identification |
Corresponds |
Corresponds |
| Melting range |
189ºC~193ºC |
191ºC |
| pH(5%W/V) |
2.1~2.6 |
2.32 |
| pH(2%W/V) |
2.4~2.8 |
2.54 |
| Specific rotation |
+20.5°~ +21.5° |
+21.0° |
| Apperance of solution |
Solutions is clear and not more intensely cloured than reference colution BY7 |
Up to standard |
| Heavy metals |
≤10ppm |
<10ppm |
| Assay |
99.0%~100.5% |
99.6% |
| Copper |
≤5ppm |
0.21ppm |
| Iron |
≤2ppm |
0.12ppm |
| Mercury |
≤1ppm |
0.05ppm |
| Arsenic |
≤3ppm |
<3ppm |
| Lead |
≤2ppm |
0.06 ppm |
| Oxalic acid(impurity E:) |
≤0.2% |
<0.2% |
| Loss on drying |
≤0.4% |
0.03% |
| Sulphated ash |
≤0.1% |
0.03% |
| Related substances: |
Impurty C: ≤0.15% |
<0.01% |
| Impurty D: ≤0.15% |
<0.01% |
| Unspecified impurities: ≤0.10% |
ND |
| Total:≤0.2% |
ND |
| Residual solvents: |
Methanol: ≤3000ppm |
49ppm |
| Microbiological examination |
TAMC:103 cfu/g |
Corresponds |
| TYMC:102cfu/g |
Corresponds |
| E.coli:Absence |
Corresponds |
| Conclusion |
The product conforms to the standard of BP2014/EP8/USP38/E300/FCC7 |
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SECTION 2. COMPOSITION/INFORMATION ON INGREDIENTS
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MSDS Name: Ascorbic acid
Synonym: Vitamin C, L-Ascorbic acid
Chemical Name: (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxfuran-2 (5H)-one
CAS No.: 50-81-7
Content: 100% (Ascorbic acid)
Hazard Symbols: None Listed.
Risk Phrases: None Listed.
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SECTION 3. HAZARDS IDENTIFICATION
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Invasive Pathway: Inhalation, ingestion and skin
Health Hazards: No information found. Environment Hazards: No information found. Explosive Hazards: Flammable.
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SECTION 4. FIRST AID MEASURES
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Eyes: Immediately lift the
upper and lower eyelids eyelid up,
flush eyes with plenty of running water.
Get medical aid.
Skin: Flush skin with plenty of water
while removing contaminated clothing and shoes. Get medical aid
if irritation develops or persists.
Ingestion: If
large amounts are
swallowed, get medical aid immediately.
Inhalation: Get medical aid immediately. Remove from exposure and move to fresh
air immediately.
If breathing
is difficult, give oxygen.
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SECTION 5. FIRE FIGHTNG MEASURES
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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.
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SECTION 6. ACCIDENTAL RELEASE MEASURES
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Personal Protection: Don't inhale the steam. Use proper personal protective equipment as indicated in SECTION 8.
Environmental Protection: The chemicals are not allowed to charge into the drainage
system without
disposal.
Cleaning: Collect and reclaim the
leaking-materials with secure method or transport to a disposal site
to further dispose. Then clean the contaminated area.
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SECTION 7. HANDLING AND STORAGE
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Handling: Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use adequate ventilation.
Storage: Keep in a
tightly closed container, store in a
cool, dry, ventilated place. Store protected from
light and incompatible substances. Containers of this material may
be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
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SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
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Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Immediately change the contaminated clothing. Daub the skin with cream. Wash the
face and hands after work.
Don't inhale its steam.
Exposure Limits: No information found.
Personal Protective Equipment:
Eyes: Wear appropriate protective eyeglasses or chemical safety
goggles. Skin: Wear appropriate protective gloves to
prevent skin exposure.
Clothing: Wear appropriate protective clothing to
prevent skin exposure.
Respirators: Wear appropriate protective dustproof respirator to
prevent inhalation.
Others: No smoking at the
work site. Pay attention to
personal sanitation.
Avoid contacting repeatedly and constantly.
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SECTION 9. PHYSICAL AND CHEMICALS PROPERTIES
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Physical State: Solid
Color: White or almost white
Odor: Odorless
pH: 2.2~2.5 (50 g/L H
2O, 20
ºC)
Melting Point: 190~192ºC (with decomposition)
Boiling Point: Not available
Flash Point: Not available
Ignition Temperature: 380ºC
Explosion Limits (lower): Not available.
Explosion Limits (upper): Not available.
Solubility: Freely soluble in water
(330g/L, 24ºC), soluble in ethanol (96%)
(20g/L, 20
ºC)
Density: 1.65 g/cm3
Appearent Density: 500~900 kg/m3
Molecular Formula: C6H8O6
Molecular Weight: 176.1
Specific Optical Rotation: +20.5° ~ +21.5°
Other Properties: Becoming discolored on exposure to air and moisture.
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SECTION 10. STABILITY AND REACTIVITY
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Chemical Stability: Stable under ordinary conditions of use and storage. Aqueous solutions are rapidly oxidized by air.
Conditions to Avoid: Heat and light.
Incompatibilities with Other Materials: Metals, especially the copper, iron, aluminum and
zinc. Oxidant, becoming discolored on exposured to
air and moisture.
Hazardous Decomposition Products: May produce acrid smoke and irritating fumes
when heated to decomposition.
Hazardous Polymerization: Will not occur.
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SECTION 11. TOXICOLOGICAL INFORMATION
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Emergency Toxicity: Oral: LD50: 11900 mg/kg (Rat). Investigated as a tumorigen, mutagen, and reproductive
effector.
Skin Irritative Test No irritating (Rabbit).
Eye Irritative Test Slightly irritating (Rabbit).
Other: Be careful when dispose the
product.
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SECTION 12. ECOLOGICAL INFORMATION
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Ecological Toxicity: Fish: Onchorhynchus mykiss LC50: 1020mg/L/96 h acid; L.idus LC50: 33000 mg/L/48 h.
Biological Degradation: Degradation, will not affect the disposal of waste
water
if in a suitable disposal.
Biological Enrichment or Accumulation: Not occur.
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SECTION 13. DISPOSAL CONSIDERATIONS
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Whatever cannot
be saved for recovery or recycling should
be managed
in an appropriate and approved waste disposal facility. Processing, use or contamination
of this product may change the waste management options. State and local disposal regulations
may differ from federal disposal regulations. Dispose of container and unused contents
in accordance with federal,
state and local requirements.
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SECTION 14. TRANSPORT INFORMATION
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Not regulated.
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SECTION 15. REGULATORY INFORMATION
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Not available.
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SECTON 16. OTHER INFORMATION
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Label Hazard Warning: As part of good industrial and personal hygiene and safety procedure,
avoid all unnecessary exposure to the chemical substance and ensure prompt removal from skin, eyes and clothing.
Label First Aid: Not applicable.
Product Use: Laboratory Reagent.
The above information
is believed
to be correct but does not support to
be all inclusive and shall
be used only as a guide. The information
in this document
is based on the present state of our knowledge and
is applicable to the product with regard to appropriate safety precautions. The conditions or methods of handling, storage, use or disposal
of the product are beyond our control and may
be beyond our knowledge. It does not represent any guarantee of the properties of the product.
Yibin Ereal Chemical shall not
be held liable for any damage resulting from handling or from contact with the above product.
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