Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- Hydroquinone
- Product Code
- H329-500
- Synonyms
- 1,4-Dihydroxybenzene; 1,4-Benzenediol
Regulatory Identifiers
- CAS Number
- 123-31-9 Check regulations →
Identified Uses
Laboratory chemicals.
Uses advised against
Not for food, drug, pesticide or biocidal product use
Manufacturers & Suppliers
Fisher Scientific
distributor
One Reagent Lane, Fair Lawn, NJ 07410
(201) 796-7100
Emergency Contacts
CHEMTREC®
800-424-9300
CHEMTREC®
001-703-527-3887
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS05
GHS07
GHS08
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Hydroquinone | 123-31-9 | 99% | No |
First Aid Measures
Emergency procedures for chemical exposure incidents
Move to fresh air. If breathing is difficult, give oxygen. Obtain medical attention.
Wash off immediately with plenty of water for at least 15 minutes. Obtain medical attention.
Symptoms: May cause allergic skin reaction. Symptoms of allergic reaction may include rash, itching, swelling, trouble breathing, tingling of the hands and feet, dizziness, lightheadedness, chest pain, muscle pain or flushing.
Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention.
Symptoms: Causes eye burns.
Clean mouth with water and drink afterwards plenty of water. Get medical attention if symptoms occur.
Immediate Medical Attention
Get medical attention.
Medical Treatment
Treat symptomatically.
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
No information available
Fine dust dispersed in air may ignite. Thermal decomposition can lead to release of irritating gases and vapors. Keep product and empty container away from heat and sources of ignition. Do not allow run-off from fire fighting to enter drains or water courses.
Firefighter Protection
As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
Use personal protective equipment. Ensure adequate ventilation. Avoid dust formation.
Do not flush into surface water or sanitary sewer system. Do not allow material to contaminate ground water system. Prevent product from entering drains. Avoid release to the environment.
Sweep up or vacuum up spillage and collect in suitable container for disposal.
Materials: suitable container
Related Products
Similar products with comparable safety profiles
Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
Wear personal protective equipment. Ensure adequate ventilation. Avoid dust formation. Do not get in eyes, on skin, or on clothing. Avoid ingestion and inhalation.
Keep containers tightly closed in a dry, cool and well-ventilated place.
Do not get in eyes, on skin, or on clothing. Avoid ingestion and inhalation.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
Ensure adequate ventilation, especially in confined areas. Ensure that eyewash stations and safety showers are close to the workstation location.
Tightly fitting safety goggles.
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Long sleeved clothing.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
Stable under normal conditions.
None known, based on information available
Hazardous polymerization does not occur. None under normal processing.
Avoid dust formation. Incompatible products. Excess heat.
Strong oxidizing agents, Strong bases, Alkaline
Carbon monoxide (CO), Carbon dioxide (CO₂)
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
The data for this section has not been processed yet.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
The data for this section has not been processed yet.
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
- UN Number
- UN3077
- Shipping Name
- Environmentally hazardous substance, solid, n.o.s.
- Transport Class
- 9
- Packing Group
- III
Regulatory Information
Chemical regulations, safety assessments, and compliance status
The data for this section has not been processed yet.
Frequently Asked Questions
Common questions about safety, handling, and properties
What other names is Hydroquinone known by?
Hydroquinone is also known as: 1,4-Dihydroxybenzene; 1,4-Benzenediol
What is the hazard signal word for Hydroquinone?
The signal word is danger.
What is the physical form of Hydroquinone?
Hydroquinone is a solid appearing as off-white . It has odorless odor.
What is the solubility of Hydroquinone?
soluble
What is Hydroquinone used for?
Laboratory chemicals.
What are the hazard statements for Hydroquinone?
This substance has 7 hazard statements:
- EUH014: May form combustible dust concentrations in air
- H302: Harmful if swallowed
- H317: May cause an allergic skin reaction
- H318: Causes serious eye damage
- H335: May cause respiratory irritation
- H341: Suspected of causing genetic defects
- H351: Suspected of causing cancer
What is the melting point of Hydroquinone?
The melting point is 170 - 174 °C / 338 - 345.2 °F and the boiling point is 285 - 287 °C / 545 - 548.6 °F @ 760 mmHg.