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

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,3-dimethyl-1,4-diphenyl-azetidin-2-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5438-81-3

5438-81-3 structure

5438-81-3 structure

Name: 3,3-dimethyl-1,4-diphenyl-azetidin-2-one
Chemical Name: 3,3-dimethyl-1,4-diphenylazetidin-2-one
CAS Number: 5438-81-3
Molecular Formula: C₁₇H₁₇NO
Molecular Weight: 251.32300
Create Date: 2016-12-23 12:24:55
Modify Date: 2025-08-24 21:41:37

Name	3,3-dimethyl-1,4-diphenylazetidin-2-one
Synonyms	1,4-Diphenyl-3,3-dimethylazetidin-2-on 3,3-Dimethyl-2-oxo-4-phenylazetidine 3,3-dimethyl-1,4-diphenyl-azetidin-2-one 3,3-Dimethyl-1,4-diphenyl-azetidin-2-on 3,3-Dimethyl-1,4-diphenyl-2-azetidinon 3,3-Dimethyl-1,4-diphenyl-2-azetidinone

Density	1.115g/cm3
Boiling Point	438.4ºC at 760 mmHg
Molecular Formula	C₁₇H₁₇NO
Molecular Weight	251.32300
Flash Point	208.3ºC
Exact Mass	251.13100
PSA	20.31000
LogP	3.86570
Index of Refraction	1.587

HS Code	2933790090

Precursor 8
1449678-29-8 538-51-2 13642-97-2 600-00-0
1750-36-3 76893-64-6 74-88-4 31469-25-7
DownStream 6
91-78-1 22606-96-8 598-26-5 768-49-0
538-51-2 103-71-9

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

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