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Material Safety Data Sheet
Cytosine
1: Chemical Product and Company Identification
Product Name: Cytosine
Contact information:
Catalog Code: 705177, 705179
bioWORLD
4150 Tuller Rd
CAS#: 71-30-7
Suite 228, Dublin, OH 43017, USA
RTECS: UW7350150
For information, call: 614-792-8680
Fax Number: 614-792-8685
TSCA: TSCA 8(b) inventory: Cytosine
Order Online:www.bio-world.com
CI#: Not available.
E-mail : save@bio-world.com
Synonym: 4-Amino-2-hydroxypyrimidine; 4-Amino-2(1H)-
In Case of a chemical emergency, call CHEMTREC
pyrimidinone; Cytosine (8CI); Cytosinimine
(24 hours a day) at 1-800-424-9300
Chemical Name: Cytosine
For non-emergency assistance,call: 1-800-860-9729
Chemical Formula: C4H5N3O
2: Composition and Information on Ingredients
Composition:
Name CAS# % by Weight
Cytosine 71-30-7 100
Toxicological Data on Ingredients:
Not available.
3: Hazards Identification
Potential Acute Health Effects: Irritant. Irritating to eyes, respiratory system and skin.
Potential Chronic Health Effects:
CARCINOGENIC EFFECTS: Not available.
MUTAGENIC EFFECTS: Not available.
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TERATOGENIC EFFECTS: Not available.
DEVELOPMENTAL TOXICITY: Not available.
4: First Aid Measures
Eye Contact: Check for and remove any contact lenses. Do not use an eye ointment. Seek medical attention.
Skin Contact: After contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated
skin with running water and non-abrasive soap. Seek medical attention.
Serious Skin Contact: Not available.
Inhalation: Allow the victim to rest in a well ventilated area. Seek immediate medical attention.
Serious Inhalation: Not available.
Ingestion: Do not induce vomiting. Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing,
perform mouth-to-mouth resuscitation. Seek immediate medical attention.
Serious Ingestion: Not available.
5: Fire and Explosion Data
Flammability of the Product: Nonflammable.
Auto-Ignition Temperature: Not available.
Flash Points: Not available.
Flammable Limits: Not available.
Product of Combustion: These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
Fire Hazards in Presence of Various Substances: Slightly flammable to flammable in presence of open flames and
sparks, of heat.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact: Not available.
Risks of explosion of the product in presence of static discharge: Not available.
Fire Fighting Media and Instructions:
SMALL FIRE: Use DRY chemical powder.
LARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks on Fire Hazards: Not available.
Special Remarks on Explosion Hazards: Not available.
6: Accidental Release Measures
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by
spreading water on the contaminated surface and dispose of according to local and regional authority requirements.
Large Spill: Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading
water on the contaminated surface and allow to evacuate through the sanitary system.
7: Handling and Storage
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Precautions: Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk, evaporate the
residue under a fume hood. Ground all equipment containing material. Do not breathe dust. Avoid contact with eyes. Wear
suitable protective clothing. If you feel unwell, seek medical attention and show the label when possible.
Storage: Keep container dry. Keep in a cool place. Ground all equipment containing material. Keep container tightly
closed. Keep in a cool, well-ventilated place. Combustible materials should be stored away from extreme heat and away
from strong oxidizing agents.
8: Exposure Controls/Personal Protection
Engineering Controls: Safety shower and eye bath. Mechanical exhaust required.
Personal Protection: Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or
equivalent. Gloves.
Personal Protection in Case of a Large Spill: Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained
breathing apparatus should be used to avoid inhalation of the product. Suggested protective clothing might not be sufficient;
consult a specialist BEFORE handling this product.
Exposure Limits: Not available.
9: Physical and Chemical Properties
Physical State and Appearance: Solid.
Odor: Not available.
Taste: Not available.
Molecular Weight: 111.10 g/mole
Color: White.
pH(1% soln/water): Not available.
Boiling Point: Not available.
Melting Point: >300 掳C (572 掳F)
Critical Temperature: Not available.
Specific Gravity: Not available.
Vapour Pressure: Not available.
Vapor Density: Not available.
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: Not available.
Solubility: Not available.
10: Stability and Reactivity Data
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Stability: Stable.
Instability Temperature: Not available.
Conditions of Instability: Not available.
Incompatibility with various substances: Strong oxidizing agents.
Corrosivity: Non-corrosive in presence of glass.
Special Remarks on Reactivity: Not available.
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
11:Toxicological Information
Routes of Entry: Eye contact. Skin contact. Ingestion. Inhalation.
Toxicity to Animals:
Not available.
Chronic Effects on Humans: Not available.
Other Toxic Effects on Humans: Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes eye irritation.
Inhalation: Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
Ingestion: May be harmful if swallowed.
Special Remarks on Toxicity to Animals: Not available.
Special Remarks on Chronic Effects on Humans: Not available.
Special Remarks on other Toxic Effects on Humans: Not available.
12: Ecological Information
Ecotoxicity: Not available.
BOD5 and COD: Not available.
Product of Biodegradation: Possibly hazardous short term degradation products are not likely. However, long term
degradation products may arise.
Toxicity of the Products of Biodegradation: The product itself and its products of degradation are not toxic.
Special Remarks on the Products of Biodegradation: Not available.
13: Disposal Considerations
Waste Disposal: Contact a licensed professional waste disposal service to dispose of this material. Dissolve or mix the
material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Observe
all federal, state, and local environmental regulations.
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14: Transport Information
DOT Classification: Not a DOT controlled material (United States).
Identification: Not available.
Special Provisions for Transport: Not available.
15: Other Regulatory Information
Federal and State Regulations: TSCA 8(b) inventory: Cytosine
Other Regulations: EU ADDITIONAL CLASSIFICATION
Symbol of Danger: Xi
Indication of Danger: Irritant.
R: 36/37/38
Risk Statements: Irritating to eyes, respiratory system and skin.
S: 26 36
Safety Statements: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear
suitable protective clothing.
Other Classifications:
WHMIS(Canada): Not controlled under WHMIS.
DSCL(EEC): Not available.
HMIS(U.S.A):
Health Hazard: 2
Fire Hazard: 0
Reactivity: 0
Personal Protection: E
National Fire Protection Association (U.S.A):
Health: 2
Flammability: 0
Reactivity: 0
Specific hazard:
Protective Equipment: Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent.
Splash goggles.
16: Other Information
References: Not available.
Other Special Considerations: Not available.
Created: 19/07/2006 1:42:35 PM
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Last Updated: 25/07/2006 4:14:13 PM
The information above is believed to be accurate and represents the best information currently available to us. However,we
make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we
assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the
information for their particular purposes.In no event shall Bio-World.com be liable for any claims, losses, or damages of any
third party or for lost profits or any special, indirect,incidental,consequential or exemplary damages, howsoever arising,
even if Bio-World.com has been advised of the possibility of such damages.
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