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ChemicalBook >> CAS DataBase List >> Nadic anhydride

Nadic anhydride

Nadic anhydride price.
  • $5 - $516
  • Product name: Nadic anhydride
  • CAS: 826-62-0
  • MF: C9H8O3
  • MW: 164.16
  • EINECS:212-557-9
  • MDL Number:MFCD00213361
  • Synonyms:3,6’-Endomethylene-1,2,3,6-tet ;ENDO-CIS-HIMIC ANHYDRIDE;ENDO-CIS-5-NORBORNENE-2,3-DICARBOXYLIC ANHYDRIDE;3,6-Endomethylenephthalic anhydride.;5-NORBORNENE-2,3-DICARBOXYLIC ANHYDRIDE: NA;Nadic anhydrous;5-NORBORNENE-2,3-DICARBOXYLICANHYDRIDE 98%;Endomethylene tetrahydrophthalic anhydride
Price25 Properties Safety Information Description
25 prices
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Brand
  • aablocks
  • AK Scientific
  • Arctom
  • Chemenu
  • Crysdot
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Sigma-Aldrich
  • TCI Chemical
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  • 1g
  • 2.5g
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  • 1kg
  • Manufactureraablocks
  • Product numberAA0052B7
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 98%
  • Packaging2.5g
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0052B7
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione ≥97%
  • Packaging25g
  • Price$11
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0052B7
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione ≥97%
  • Packaging100g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0052B7
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione ≥97%
  • Packaging250g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0052B7
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%（cis-endo-）
  • Packaging500g
  • Price$23
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0052B7
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%（cis-endo-）
  • Packaging1000g
  • Price$34
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product number0016AQ
  • Product description5-Norbornene-2,3-dicarboxylic Anhydride
  • Packaging100g
  • Price$54
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS028717
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%
  • Packaging10g
  • Price$5
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS028717
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%
  • Packaging500g
  • Price$35
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberCS-W017913
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione >=98%
  • Packaging1kg
  • Price$40
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberAS028717
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%
  • Packaging100g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS028717
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%
  • Packaging25g
  • Price$9
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM202305
  • Product descriptionBicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride 99%+
  • Packaging1g
  • Price$81
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM202305
  • Product descriptionBicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride 99%+
  • Packaging10g
  • Price$516
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM202305
  • Product descriptionBicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride 99%+
  • Packaging5g
  • Price$290
  • Updated2026-05-26
  • Buy
  • ManufacturerCrysdot
  • Product numberCD45000084
  • Product description3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95+%
  • Packaging100g
  • Price$65
  • Updated2026-05-27
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0052B7 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 98% 2.5g $8 2026-05-28 Buy
aablocks AA0052B7 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione ≥97% 25g $11 2026-05-28 Buy
aablocks AA0052B7 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione ≥97% 100g $12 2026-05-28 Buy
aablocks AA0052B7 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione ≥97% 250g $18 2026-05-28 Buy
aablocks AA0052B7 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%（cis-endo-） 500g $23 2026-05-28 Buy
aablocks AA0052B7 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95%（cis-endo-） 1000g $34 2026-05-28 Buy
AK Scientific 0016AQ 5-Norbornene-2,3-dicarboxylic Anhydride 100g $54 2021-12-16 Buy
Arctom AS028717 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95% 10g $5 2021-12-16 Buy
Arctom AS028717 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95% 500g $35 2021-12-16 Buy
Arctom CS-W017913 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione >=98% 1kg $40 2026-05-26 Buy
Arctom AS028717 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95% 100g $14 2021-12-16 Buy
Arctom AS028717 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95% 25g $9 2021-12-16 Buy
Chemenu CM202305 Bicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride 99%+ 1g $81 2026-05-26 Buy
Chemenu CM202305 Bicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride 99%+ 10g $516 2026-05-26 Buy
Chemenu CM202305 Bicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride 99%+ 5g $290 2026-05-26 Buy
Crysdot CD45000084 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione 95+% 100g $65 2026-05-27 Buy
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Properties

Melting point :165-167 °C(lit.)
Boiling point :251.61°C (rough estimate)
Density :1.2132 (rough estimate)
refractive index :1.5260 (estimate)
storage temp. :Inert atmosphere,Room Temperature
solubility :diethyl ether: soluble0.1g/10 mL, clear, colorless
form :powder to crystal
color :White to Almost white
Specific Gravity :1.250 (20/4℃)
Merck :14,1796
BRN :150228
InChI :InChI=1S/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2
InChIKey :KNDQHSIWLOJIGP-UHFFFAOYSA-N
SMILES :C1(=O)C2C(C3CC2C=C3)C(=O)O1
LogP :-0.040 (est)
CAS DataBase Reference :826-62-0(CAS DataBase Reference)
EPA Substance Registry System :4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro- (826-62-0)

Safety Information

Symbol(GHS): Corrosion (GHS05)Health Hazard (GHS08)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

Description

The substance 5-norbornene-2,3-dicarboxylic anhydride has a purity of approximately 99.5 % and consists of two isomers, cis-5-norbrene-endo-2,3-dicarboxylic anhydride (99.2 %) and cis-5-norbreneexo-2,3-dicarboxylic anhydride (0.3 %). It has an estimated log Po/w = 2.3. Due to its chemical nature as an anhydride it readily hydrolyses into the free diacid, norbornene-2,3-dicarboxylic acid. Therefore, migration into aqueous foodstuffs will also lead to the presence of the two isomeric diacids. Melting point of the substance is 163-165 °C.

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Suppliers and manufacturers

Puyang Huicheng Electronic Materials Co., Ltd.
Nadic Anhydride (NA)
Nadic Anhydride (NA) CAS:826-62-0
Shanghai UCHEM Inc.
Himic anhydride
$28.00
Himic anhydride CAS:826-62-0
Hebei Chuanghai Biotechnology Co,.LTD
Himic Anhydride
$2.00
Himic Anhydride CAS:826-62-0
Henan Fengda Chemical Co., Ltd
Himic anhydride
Himic anhydride CAS:826-62-0
career henan chemical co
Himic anhydride
$1.00
Himic anhydride CAS:826-62-0
Capot Chemical Co.,Ltd.
Shanghai Daken Advanced Materials Co.,Ltd
Henan Tianfu Chemical Co.,Ltd.
CONIER CHEM AND PHARMA LIMITED
BEYOND INDUSTRIES (CHINA) LIMITED