| Section 1 Identification |
| Product Number: | C1887 |
| Health: | 3 |
| Flammability | 1 |
| Reactivity | 0 |
Hazard Rating:
| Least | Slight | Moderate | High | Extreme |
| 0 | 1 | 2 | 3 | 4 |
NA = Not Applicable NE = Not Established
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| Product Name: | Hydroquinone Laboratory Grade, Crystal |
| Trade/Chemical Synonyms | |
| Formula: | C–H”(OH)’ |
| RTECS: | MX3500000 |
| C.A.S | CAS# 123-31-9 |
| Section 2 Component Mixture |
| Sara 313 | Component | CAS Number | % | Dim | Exposure Limits: |
|
Hydroquinone | CAS# 123-31-9 | 100 % | W/W | OSHA TWA 2 mg/mƒ |
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| Section 3 Hazard Identification (Also
see section 11) |
| May be fatal if inhaled, swallowed or absorbed thru the skin Avoid all contact. Use with adequate ventilation. Wash thoroughly after use. Keep container closed. |
| Section 4 First Aid Measures |
May be fatal if inhaled, swallowed or absorbed thru the skin Avoid all contact. Use with adequate ventilation. Wash thoroughly after use. Keep container closed.
FIRST AID: CALL A PHYSICIAN. SKIN: In case of contact, immediately flush skin with water for at least 15 minutes while removing contaminated clothing and shoes. Thoroughly clean clothing and shoes before reuse.
EYES: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid. INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen
INGESTION: If swallowed, induce vomiting immediately after giving two glasses of water. Never give anything by mouth to an unconcious person.
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| Section 5 Fire Fighting Measures |
| Fire Extinguisher Type: | Water spray, Carbon dioxide, dry chemical, powder, foam. |
| Fire/Explosion Hazards: | Information not available |
| Fire Fighting Procedure: | Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing. |
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| Section 6 Accidental Release
Measures |
Sweep up and place in suitable (fiberboard) containers for reclamation or later disposal.
|
| Section 7 Handling and
Storage |
| Keep away from sources of ignition, Do not store in direct sunlight. Keep from contact with oxidizing materials.Store in a cool, dry, well ventilated area away from incompatible materials. |
| Section 8 Exposure Controls
& Personal Protection |
Respiratory Protection:NIOSH/MSHA-approved respirator
Other Protective Equipment:
Wear appropriate clothing to prevent skin exposure
|
| Section 9 Physical and Chemical Properties |
| Melting Point: | 170.5°c | Specific Gravity | 1.33
|
| Boiling Point: | 545 Deg F |
Percent Volatile by Volume: | 0 |
| Vapor Pressure: | 1 mm Hg @132 Deg C |
Evaporation Rate: | 0 |
| Vapor Density: |
3.8 (air=1) |
Evaporation Standard: |
|
| Solubility in Water: |
7% @ 20Deg C in water |
Auto ignition Temperature: |
Not applicable |
| Appearance and Odor: |
White to off white fine crystals |
Lower Flamm. Limit in Air: |
Not applicable |
| Flash Point: |
329 Deg F |
Upper Flamm. Limit in Air: |
Not applicable |
|
| Section 10 Stability and Reactivity Information |
| Stability: Stable | Conditions to Avoid: Incompatible materials, ignition sources, dust generation. |
Materials to Avoid:
Strong oxidizers, alkalis. Undergoes violent reactioin with sodium hydroxide. |
Hazardous Decomposition Products:
Carbon dioxide, carbon monoxide, and quinone. |
| Hazardous Polymerization:Will Not Occur |
| Condition to Avoid:None known |
|
| Section 11
Additional Information |
| Warning may cause allergic skin reaction. Harmful if swallowed. May cause methemoglobinemia. Eye contact may result in permanent eye damage. May cause digestive tract irritation with nausea, vomiting, and diarrhea. May cause cancer based on animal studies. Target organs: Central nervous system, respiratory system.If comes in contact with eyes flush with water for 15 minutes. If comes in contact with skin flush with soap and water for 15 minutes. If ingested and alert give 2 - 4 cups of milk or water. If inhaled remove to fresh air immediately. Persons with pre-existing conditions may be more susceptible. |
| DOT Classification: Hydroquinone, 6.1, UN2662, PG III |
DOT regulations may change from time to time. Please
consult the most recent version of the relevant regulations.
| Revision No:1 | Date Entered: 9/1/2006 |
Approved by: WPF |
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