Shanghai Nianxing Industrial Co., Ltd
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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: PYRENE, 4,5-DIHYDRO-
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6628-98-4

6628-98-4 structure

6628-98-4 structure

Name: PYRENE, 4,5-DIHYDRO-
Chemical Name: 4,5-Dihydropyrene
CAS Number: 6628-98-4
Molecular Formula: C₁₆H₁₂
Molecular Weight: 204.26600
Create Date: 2016-05-15 23:51:39
Modify Date: 2025-08-26 08:16:13

Name	4,5-Dihydropyrene
Synonyms	4,5-Dihydro-pyren Pyrene,5-dihydro 4,5-dihydro-pyrene PYRENE,4,5-DIHYDRO

Density	1.208g/cm3
Boiling Point	383.4ºC at 760 mmHg
Molecular Formula	C₁₆H₁₂
Molecular Weight	204.26600
Flash Point	175.6ºC
Exact Mass	204.09400
LogP	4.09160
Index of Refraction	1.759

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR2452000

CHEMICAL NAME :: Pyrene, 4,5-dihydro-

CAS REGISTRY NUMBER :: 6628-98-4

BEILSTEIN REFERENCE NO. :: 1868443

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C16-H12

MOLECULAR WEIGHT :: 204.28

WISWESSER LINE NOTATION :: L666 B6 2AB P&&T&J

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: DNA adduct

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 10 umol/L

REFERENCE :: PNCCA2 Proceedings, National Cancer Conference. (Philadelphia, PA) V.1-7, 1949-72. For publisher information, see CANCAR. Volume(issue)/page/year: 5,39,1965

HS Code	2902909090

Precursor 8
129-00-0 28862-02-4 34244-14-9 28817-03-0
28746-20-5 22072-45-3 28817-02-9 124-38-9
DownStream 10
10549-22-1 22245-47-2 781-17-9 1732-13-4
5385-37-5 101283-00-5 82799-67-5 86470-96-4
86470-97-5 86470-98-6

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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