Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,4'-dimethylbenzil
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2-Ethanedione,1,2-bis(4-methylphenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3457-48-5

3457-48-5 structure

3457-48-5 structure

Name: 4,4'-dimethylbenzil
Chemical Name: 1,2-bis(4-methylphenyl)ethane-1,2-dione
CAS Number: 3457-48-5
Molecular Formula: C₁₆H₁₄O₂
Molecular Weight: 238.28100
Catalog: Chemical reagent Organic reagent Aromatic ketone
Create Date: 2018-02-13 08:00:00
Modify Date: 2025-08-20 19:24:45

Name	1,2-bis(4-methylphenyl)ethane-1,2-dione
Synonyms	p-Tolil 1,2-bis(p-methylphenyl)ethanedione EINECS 222-388-2 1,2-di(4-methylphenyl)-1,2-ethanedione Di-p-tolylethanedione 4,4'-Dimethylbenzil 1,2-Di-p-tolylethane-1,2-dione Ethandione,bis(p-tolyl) 1,2-bis(4-methoxyphenyl)-ethane-1,2-dione 4,4'-dimethylbibenzoyl MFCD00008554

Density	1.119 g/cm3
Boiling Point	211 °C (7 mmHg)
Melting Point	102-104 °C(lit.)
Molecular Formula	C₁₆H₁₄O₂
Molecular Weight	238.28100
Flash Point	168.6ºC
Exact Mass	238.09900
PSA	34.14000
LogP	3.36900
Index of Refraction	1.58

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2914399090

Precursor 8
1218-89-9 104-87-0 872-36-6 106-38-7
874-60-2 14271-73-9 2789-88-0 79-37-8
DownStream 9
107659-77-8 21514-58-9 589-18-4 538-39-6
99-75-2 2728-05-4 2695-79-6 1218-89-9
66768-19-2

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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