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BGC » Chemicals A-Z » 4,4'-Oxydiphthalic anhydride
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4,4'-Oxydiphthalic anhydride

BGC Id:960933634290
CAS No:1823-59-2
Synonyms:oxydiphthalic anhydrid ; 4,4'-oxydiphthalic acid ; odpa ; 4,4'-oxydiphthalic dianhydride ; 4,4''-oxybisdiphthalic anhydride ; oxydiphthalicanhydride ; s-odpa ; 4,4''-oxybisdiphthalic a ; bis-(3-phthalyl anhy ; 4,4'-oxydiphthalic anhydride
Molecular Formula:C16H6O7
Molecular Weight:310.21
EINECS:
Structural Formula

2025 - The most valued supplier

The following 19 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C16H6O7 Molecular Weight: 310.21 WGKGermany: 2 HS Code: 29189900
Chemical-Suppliers
BuGuCh & Partners
Appearance : White powder Purity (HPLC) : ≥ 99.5% Melting Point : 227-229℃

The last intensive check and update was carried out on 2025/09/17.

Identify

Synonyms:
oxydiphthalic anhydrid ; 4,4'-oxydiphthalic acid ; odpa ; 4,4'-oxydiphthalic dianhydride ; 4,4''-oxybisdiphthalic anhydride ; oxydiphthalicanhydride ; s-odpa ; 4,4''-oxybisdiphthalic a ; bis-(3-phthalyl anhy ; 4,4'-oxydiphthalic anhydride
CAS:
1823-59-2
EINECS:
Molecular Formula:
C16H6O7
MDL:
MFCD00039144
SMILES:
[OH-].[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Ca+2]

Properties

Molecular Weight:
310.21 g·mol−1
Density:
~1.7 g/cm3 (Predicted)
Melting point:
225-229 °C(lit.)
Boiling point:
~577.7 °C at 760 mmHg (Predicted)
download Download Molfile for :
5,5'-Oxybis(isobenzofuran-1,3-dione)

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Safety Information

Hazard Classes:
Risk Codes:
52/53 (R)
Safety Codes:
61 (S)
WGK Germany:
2

What other providers are available for CAS 1823-59-2?

In addition to the providers presented here for 4,4'-Oxydiphthalic anhydride with the CAS number 1823-59-2, there are other 37 providers with slightly different product names available for this CAS number.

Simagchem Corporation | Hangzhou Keying Chem Co., Ltd. | Zehao Industry Co., Ltd. | Hangzhou Lingrui Chemical Co., Ltd. | Xiamen Equation Chemical Co.,Ltd +5 additional providers that we know from the past
+1 additional providers that we know from the past
Chemport Science & Technology (Shanghai) Co., Ltd. | Wuhan PharmChem Co., LTD.
Shandong Ench Chemical Co.,Ltd | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +14 additional providers that we know from the past
+3 additional providers that we know from the past
BLD Pharmatech Ltd | BuGuCh & Partners +1 additional providers that we know from the past




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