Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 9,10-Dihydrobenzo(a)pyren-7(8H)-one
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 9,10-Dihydrobenzo[a]pyrene-7(8H)-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3331-46-2

3331-46-2 structure

3331-46-2 structure

Name: 9,10-Dihydrobenzo(a)pyren-7(8H)-one
Chemical Name: 9,10-dihydro-8H-benzo[a]pyren-7-one
CAS Number: 3331-46-2
Molecular Formula: C₂₀H₁₄O
Molecular Weight: 270.325
Catalog: Chemical reagent Organic reagent Tricyclic compound
Create Date: 2018-07-26 20:51:29
Modify Date: 2025-08-27 17:36:04

Name	9,10-dihydro-8H-benzo[a]pyren-7-one
Synonyms	9,10-Dihydrobenzo[pqr]tetraphen-7(8H)-one EINECS 222-055-1 9,10-dihydrobenzo<a>pyrene 7-oxo-7,8,9,10-tetrahydro-BaP MFCD00003601 9,10-Dihydrobenzo(a)pyren-7(8H)-one 7-Oxo-7,8,9,10-tetrahydrobenzo(a)pyrene 7,8,9,10-tetrahydrobenzo<a>pyren-7-one 7-Oxo-7,8,9,10-tetrahydrobenzo[a]pyrene Benzo[a]pyren-7(8H)-one, 9,10-dihydro-

Density	1.3±0.1 g/cm3
Boiling Point	492.0±15.0 °C at 760 mmHg
Melting Point	172-175ºC
Molecular Formula	C₂₀H₁₄O
Molecular Weight	270.325
Flash Point	220.6±15.3 °C
Exact Mass	270.104462
PSA	17.07000
LogP	5.57
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.820

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2914399090

Precursor 10
3443-45-6 64709-55-3 59275-39-7 87337-16-4
87337-17-5 87337-23-3 64709-56-4 63549-37-1
129-00-0 7499-60-7
DownStream 8
50-32-8 88909-82-4 6272-55-5 17750-93-5
17573-15-8 36504-67-3 17573-23-8 37994-82-4

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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