Trimethylhydroquinone, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11429857	Thermo Scientific Alfa Aesar B22819.22	100 g
11439857	Thermo Scientific Alfa Aesar B22819.36	500 g

Description

Trimethylhydroquinone is used for synthesizing vitamin E and used as medical intermediate.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Trimethylhydroquinone is used for synthesizing vitamin E and used as medical intermediate.

Solubility
Soluble in water (2 g/L @ 20°C.

Notes
Store in cool, dry conditions in a sealed container. Incompatible with oxidizing agents.

Chemical Identifiers

• CAS: 700-13-0
• Molecular Weight (g/mol): 152.193
• InChI Key: AUFZRCJENRSRLY-UHFFFAOYSA-N
• PubChem CID: 12785
• SMILES: CC1=CC(=C(C(=C1O)C)C)O

• Molecular Formula: C9H12O2
• MDL Number: MFCD00002346
• Synonym: trimethylhydroquinone, 2,3,5-trimethylhydroquinone, 1,4-benzenediol, 2,3,5-trimethyl, pseudocumohydroquinone, psi-cumohydroquinone, 2,3,6-trimethylhydroquinone, 2,3,5-trimethyl-benzene-1,4-diol, hydroquinone, trimethyl, 2,3,5-trimethyl-1,4-benzenediol, .psi.-cumohydroquinone
• IUPAC Name: 2,3,5-trimethylbenzene-1,4-diol

Specifications

• CAS: 700-13-0
• Flash Point: 140°C (284°F)
• MDL Number: MFCD00002346
• Beilstein: 1909183
• InChI Key: AUFZRCJENRSRLY-UHFFFAOYSA-N
• IUPAC Name: 2,3,5-trimethylbenzene-1,4-diol
• PubChem CID: 12785
• Percent Purity: 98%

• Melting Point: 169°C to 174°C
• Molecular Formula: C9H12O2
• UN Number: UN3077
• Synonym: trimethylhydroquinone, 2,3,5-trimethylhydroquinone, 1,4-benzenediol, 2,3,5-trimethyl, pseudocumohydroquinone, psi-cumohydroquinone, 2,3,6-trimethylhydroquinone, 2,3,5-trimethyl-benzene-1,4-diol, hydroquinone, trimethyl, 2,3,5-trimethyl-1,4-benzenediol, .psi.-cumohydroquinone
• SMILES: CC1=CC(=C(C(=C1O)C)C)O
• Molecular Weight (g/mol): 152.193
• Formula Weight: 152.2
• Chemical Name or Material: Trimethylhydroquinone

Safety and Handling

GHS H Statement
H318-H332-H317-H335-H315
Causes serious eye damage.
Harmful if inhaled.
May cause an allergic skin reaction.
May cause respiratory irritation.
Causes skin irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Danger

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Product Identifier

• Trimethylhydroquinone

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• LONG-TERM AQUATIC HAZARD Chronic 1
• ACUTE AQUATIC Acute 1
• Serious eye damage/eye irritation Category 1
• Skin corrosion/irritation Category 2
• Skin sensitiser Category 1
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H317-May cause an allergic skin reaction.
• H318-Causes serious eye damage.
• H332-Harmful if inhaled.
• H335-May cause respiratory irritation.
• H400-Very toxic to aquatic life.
• H410-Very toxic to aquatic life with long lasting effects.

Precautionary Statement

• P273-Avoid release to the environment.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.

Supplemental information

• MIXTURE LIST-Contains : Trimethylhydroquinon

RUO – Research Use Only