1,4-Benzenediol,2,6-dimethyl- MSDS CasNo.654-42-2

Position: Index > Categories > Semiconductors and Actives

CAS : 654-42-2 ProductName : 2,6-Dimethylhydroquinone

MSDS	:	2,6-Dimethyl-1,4-hydroquinone
CAS	:	654-42-2
SYNONYMS	:

Catalog of Chemical Suppliers, Buyers, Custom Synthesis Companies And Equipment Manufacturers
[ 2,6-Dimethyl-1,4-hydroquinone 654-42-2 ]

**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 654-42-2 |2,6-Dimethyl-1,4-hydroquinone | | 211-505-2 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T
Risk Phrases: 22 38 41 60

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Harmful if swallowed. Irritating to skin. Risk of serious damage to
eyes. May impair fertility.

Potential Health Effects
Eye:
Risk of serious damage to eyes.
Skin:
Causes skin irritation.
Ingestion:
Harmful if swallowed.
Inhalation:
May cause respiratory tract irritation.
Chronic:
Not available.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Flush skin with plenty of soap and water. Remove all contaminated
clothing immediately.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. Get medical
aid.
Notes to Physician:

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on
skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Exposure Limits
CAS# 654-42-2:

Personal Protective Equipment

Eyes:
Not available.
Skin:
Not available.
Clothing:
Not available.
Respirators:
Not available.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Crystals
Color: white - white to beige
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 149 - 154 deg C
Autoignition Temperature: > 500 deg C (> 932.00 deg F)
Flash Point: > 100 deg C (> 212.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: 10g/l water (20c)
Specific Gravity/Density:
Molecular Formula: C8H10O2
Molecular Weight: 138.17

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Acids, bases, oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, phenol.
Hazardous Polymerization: Has not been reported

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 654-42-2: MX5900000
LD50/LC50:
CAS# 654-42-2: Oral, mouse: LD50 = 186 mg/kg.
Carcinogenicity:
2,6-Dimethyl-1,4-hydroquinone -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
No information available.
IMO
No information available.
RID/AD No information available.

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 22 Harmful if swallowed.
R 38 Irritating to skin.
R 41 Risk of serious damage to eyes.
R 60 May impair fertility.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 654-42-2: No information available.
Canada
CAS# 654-42-2 is listed on Canada's NDSL List.
CAS# 654-42-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 654-42-2 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 4/03/2003 Revision #0 Date: Original.

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 way shall the company 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 the company has been advised of
the possibility of such damages.

2,6-DIMETHYLHYDROQUINONE