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: 1,4,5,8-naphthalene tetracarboxylic acid 4,5-anhydride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

141193-56-8

141193-56-8 structure

141193-56-8 structure

Name: 1,4,5,8-naphthalene tetracarboxylic acid 4,5-anhydride
Chemical Name: 1,4,5,8-Ntcaa
CAS Number: 141193-56-8
Molecular Formula: C₁₄H₇NaO₈
Molecular Weight: 326.19000
Create Date: 2016-10-03 06:51:03
Modify Date: 2025-09-10 22:23:30

Names
Properties

Name	1,4,5,8-Ntcaa
Synonyms	1H,3H-Naphtho(1,8-cd)pyran-6,7-dicarboxylic acid,1,3-dioxo-,monosodium salt,monohydrate 1,4,5,8-Naphthalene tetracarboxylic acid 4,5-anhydride,monosodium salt,monohydrate 1,3-Dioxo-1H,3H-naphtho(1,8-cd)pyran-6,7-dicarboxylate 1,3-Dioxo-1H,3H-naphtho(1,8-cd)pyran-6,7-dicarboxylic acid monosodium salt,monohydrate 1,4,5,8-Naphthalene tetracarboxylic acid 4,5-anhydride

Boiling Point	692.8ºC at 760mmHg
Molecular Formula	C₁₄H₇NaO₈
Molecular Weight	326.19000
Flash Point	272.2ºC
Exact Mass	326.00400
PSA	130.03000
LogP	0.14780
Vapour Pressure	3.75E-20mmHg at 25°C

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