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MEHQ (Monomethyl Ether Hydroquinone)

MEHQ (Monomethyl Ether Hydroquinone)

CAS Number: 150-76-5

Molecular Formula: C7H8O2

Polymerization Inhibitor Acrylic AcidMEHQ UV-Curable Inks & CoatingsDepigmentation Agent Mequinol USPStabilizer Vinyl Acetate Monomer (VAM)Antioxidant Ethyl Cellulose & Hydrocarbons

About MEHQ (Monomethyl Ether Hydroquinone)

Monomethyl Ether Hydroquinone (CAS No: 150-76-5) is currently witnessing a significant valuation surge within the global specialty chemicals sector, particularly as a mission-critical polymerisation inhibitor for acrylic, methacrylic, and vinyl acetate monomers where it effectively prevents premature radical polymerisa...

Synonyms

  • p-hydroxyanisol
  • Solage
  • Leucodinine B
  • Methoxyphenol
  • Mixture Name
View all

MEHQ (Monomethyl Ether Hydroquinone) Specifications

CAS Number
150-76-5
Molecular Formula
C7H8O2
Molecular Weight
124.139
IUPAC Name
4-methoxyphenol
Canonical SMILES
COC1=CC=C(C=C1)O
InChI Key
NWVVVBRKAWDGAB-UHFFFAOYSA-N
InChI
1S/C7H8O2/c1-9-7-4-2-6(8)3-5-7/h2-5,8H,1H3
MDL Number
MFCD00002332
UNSPSC Code
COC1=CC=C(O)C=C1
HSN No
29095000
Melting point
126.5 °F
Boiling Point
475 °F at 760 mmHg
Solubility
Soluble
Density
1.55 at 68°F
LogP
log Kow = 1.41 at 25°C
Molecular Weight
124.139
Autoignition Temperature
790°F
Appearance
White crystals
Color/Form
Clear colorless to pale yellow
Odor Threshold
0.0027ppm
pKa
10.21(at 25℃)
Symbol
GHS07, GHS08
Risk Statements Code
R22; R36; R43
Safety Statements Code
S24/25; S26; S37/39; S46
Precautionary Statement Codes
P201, P260, P261, P262, P264+P265, P270, P271, P272, P273, P280, P301+P310, P302+P352, P305+P351+P338, P308+P313, P321, P333+P317, P337+P317, P362+P364, and P501
Hazard Classes and Categories
Acute Tox. 4 (100%) Eye Irrit. 2 (100%)

Polymerization Inhibitor

A stabiliser in the manufacturing, storage, and transportation of reactive monomers like acrylates, methacrylics, vinyl acetate, and styrene to prevent premature free-radical polymerization and ensure product integrity

Chemical Intermediate

A critical building block utilised in the synthesis of agrochemicals, antioxidants like butylated hydroxyanisole (BHA), UV stabilisers, and various pharmaceutical compounds

Cosmetic and Personal Care Stabiliser

An effective antioxidant and preservative employed in hair dyes, skin-whitening creams, and liquid detergents to maintain formulation stability and extend shelf life

Industrial Stabilizer

A specialised agent used to inhibit peroxide formation in ethers, chlorinated hydrocarbons, and cellulose materials, as well as to prevent premature curing in printing inks, paints, and coatings.

Detail 1

Store below +30°C

Detail 2

Incompatible with halogens, oxidizing agents

  1. p-hydroxyanisol
  2. Solage
  3. Leucodinine B
  4. Methoxyphenol
  5. Mixture Name

MEHQ (Monomethyl Ether Hydroquinone) FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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