Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride
Price: ￥378.0/5g
Purity: 97.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Huangshi Healthday Pharmaceutical Technology Co., Ltd.
China
Product Name: 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Li
Email: sales@healthdaychem.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

38103-06-9

38103-06-9 structure

38103-06-9 structure

Name: 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride
Chemical Name: 4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)
CAS Number: 38103-06-9
Molecular Formula: C₃₁H₂₀O₈
Molecular Weight: 520.486
Create Date: 2018-02-20 08:00:00
Modify Date: 2025-08-23 12:06:43

Name	4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)
Synonyms	5,5'-[Propane-2,2-diylbis(4,1-phenyleneoxy)]bis(2-benzofuran-1,3-dione) 5,5'-[2,2-Propanediylbis(4,1-phenyleneoxy)]bis(2-benzofuran-1,3-dione) 2,2-Bis [4-(3,4dicarboxyphenoxy) phenyl] propane dianhydride 5,5'-((Propane-2,2-diylbis(4,1-phenylene))bis(oxy))bis(isobenzofuran-1,3-dione) MFCD00319167 EINECS 253-781-7 4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride 1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-

Density	1.4±0.1 g/cm3
Boiling Point	712.3±60.0 °C at 760 mmHg
Melting Point	184-187ºC
Molecular Formula	C₃₁H₂₀O₈
Molecular Weight	520.486
Flash Point	302.2±32.9 °C
Exact Mass	520.115845
PSA	105.20000
LogP	7.65
Vapour Pressure	0.0±2.3 mmHg at 25°C
Index of Refraction	1.657

Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38;R42
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2932999099

319-03-9 structure

319-03-9

2444-90-8 structure

2444-90-8

~89%

38103-06-9 structure

38103-06-9

Literature: General Electric Company Patent: US2006/205958 A1, 2006 ; Location in patent: Page/Page column 6 ;

118-45-6 structure

118-45-6

2444-90-8 structure

2444-90-8

~25%

38103-06-9 structure

38103-06-9

Literature: General Electric Company Patent: US2006/205958 A1, 2006 ; Location in patent: Page/Page column 6 ;

38103-05-8 structure

38103-05-8

~%

38103-06-9 structure

38103-06-9

Literature: Eastmond; Paprotny; Pethrick; Santamaria-Mendia Macromolecules, 2006 , vol. 39, # 22 p. 7534 - 7548

80-05-7 structure

80-05-7

~%

38103-06-9 structure

38103-06-9

Literature: Bruma; Hamciuc; Yampolskii; Alentiev; Ronova; Rojkov Molecular Crystals and Liquid Crystals, 2004 , vol. 418, p. 11/[739]-19/[747]

31643-49-9 structure

31643-49-9

~%

38103-06-9 structure

38103-06-9

Literature: Bruma; Hamciuc; Yampolskii; Alentiev; Ronova; Rojkov Molecular Crystals and Liquid Crystals, 2004 , vol. 418, p. 11/[739]-19/[747]

38791-67-2 structure

38791-67-2

~%

38103-06-9 structure

38103-06-9

Literature: Bruma; Hamciuc; Yampolskii; Alentiev; Ronova; Rojkov Molecular Crystals and Liquid Crystals, 2004 , vol. 418, p. 11/[739]-19/[747]

Precursor 7
319-03-9 2444-90-8 118-45-6 38103-05-8
80-05-7 31643-49-9 38791-67-2
DownStream 0

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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