Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,9-DIMETHYLBENZ[A]ANTHRACENE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

316-51-8

316-51-8 structure

316-51-8 structure

Name: 3,9-Dimethyltetraphene
Chemical Name: 3,9-dimethylbenzo[a]anthracene
CAS Number: 316-51-8
Molecular Formula: C₂₀H₁₆
Molecular Weight: 256.341
Create Date: 2018-08-22 17:10:18
Modify Date: 2025-08-29 10:19:54

Name	3,9-dimethylbenzo[a]anthracene
Synonyms	Benz[a]anthracene, 3,9-dimethyl- 3,9-Dimethylbenz[a]anthracene 3,9-Dimethyltetraphene

Density	1.1±0.1 g/cm3
Boiling Point	462.3±15.0 °C at 760 mmHg
Molecular Formula	C₂₀H₁₆
Molecular Weight	256.341
Flash Point	226.6±14.5 °C
Exact Mass	256.125214
LogP	6.83
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.729

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CW2500000

CHEMICAL NAME :: Benz(a)anthracene, 3,9-dimethyl-

CAS REGISTRY NUMBER :: 316-51-8

BEILSTEIN REFERENCE NO. :: 2558523

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C20-H16

MOLECULAR WEIGHT :: 256.36

HS Code	2902909090

581-42-0 structure

581-42-0

~%

316-51-8 structure

316-51-8

Literature: Cook Journal of the Chemical Society, 1932 , p. 456,470

Precursor 1
581-42-0
DownStream 0

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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