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4,4'-Bis(dimethylamino)benzophenone (Michler's ketone)

CAS 90-94-8 C17H20N2O MW 268.35 Made to order

4,4'-Bis(dimethylamino)benzophenone, also known as Michler's ketone, is a fluorescent organic compound used as a photoinitiator in polymer chemistry and as a dye intermediate. It appears as a yellow crystalline solid with a molecular formula of C17H20N2O and a molecular weight of 268.35 g/mol. CAS number: 90-94-8. Store at ambient temperature. Signal word: Danger. Molekula supplies Michler's ketone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

4,4'-Bis(dimethylamino)benzophenone, also known as Michler's ketone, is a fluorescent organic compound used as a photoinitiator in polymer chemistry and as a dye intermediate. It appears as a yellow crystalline solid with a molecular formula of C17H20N2O and a molecular weight of 268.35 g/mol. CAS number: 90-94-8. Store at ambient temperature. Signal word: Danger. Molekula supplies Michler's ketone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Grey blue powder
Melting Point 168°C-176°C
Purity 96.5-102.5%
Moisture ≤0.5%
Insolubles ≤2.5%
Infrared Spectrum Conforms to Structure

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 90-94-8
Molecular Formula C17H20N2O
Molecular Weight 268.35
SMILES CN(C)C1=CC=C(C=C1)C(=O)C2=CC=C(C=C2)N(C)C
REACH Code Y110
TSCA Listed Yes
HTS Code 29223900
Tariff Code 2922390090

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

Hazard statements

  • H318 Causes serious eye damage
  • H341 Suspected of causing genetic defects
  • H350 May cause cancer

Precautionary statements

  • P201 Obtain special instructions before use
  • P263 Avoid contact during pregnancy/while nursing
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

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Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    £30.90 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

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