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-methyl-2-(3-methylbut-2-enyl)naphthalene-1,4-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

957-78-8

957-78-8 structure

957-78-8 structure

Name: 3-methyl-2-(3-methylbut-2-enyl)naphthalene-1,4-dione
Chemical Name: 2-methyl-3-(3-methylbut-2-enyl)naphthalene-1,4-dione
CAS Number: 957-78-8
Molecular Formula: C₁₆H₁₆O₂
Molecular Weight: 240.29700
Create Date: 2017-12-13 05:33:56
Modify Date: 2025-08-27 15:33:06

Name	2-methyl-3-(3-methylbut-2-enyl)naphthalene-1,4-dione
Synonyms	Menaquinone 1 Menaquinones 2-methyl-3-prenyl-1,4-naphthoquinone Vitamin MK 1 Lepachol acetate

Density	1.097g/cm3
Boiling Point	368.8ºC at 760 mmHg
Molecular Formula	C₁₆H₁₆O₂
Molecular Weight	240.29700
Flash Point	138.4ºC
Exact Mass	240.11500
PSA	34.14000
LogP	3.73840
Index of Refraction	1.559

HS Code	2914690090

Precursor 8
84-58-2 3129-39-3 6383-11-5 58-27-5
316801-22-6 114067-34-4 870-63-3 104108-29-4
DownStream 1
32247-33-9

HS Code	2914690090
Summary	2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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