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Sigma-Aldrich

cis-1,2,3,6-Tetrahydrophthalic anhydride

95%

Sinônimo(s):

cis-4-Cyclohexene-1,2-dicarboxylic anhydride

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About This Item

Fórmula empírica (Notação de Hill):
C8H8O3
Número CAS:
Peso molecular:
152.15
Beilstein:
82341
Número CE:
Número MDL:
Código UNSPSC:
12162002
ID de substância PubChem:
NACRES:
NA.23
Preço e disponibilidade não estão disponíveis no momento.

densidade de vapor

5.2 (vs air)

Nível de qualidade

pressão de vapor

<0.01 mmHg ( 20 °C)

Ensaio

95%

Formulário

flakes

pf

97-103 °C (lit.)

cadeia de caracteres SMILES

[H][C@@]12CC=CC[C@]1([H])C(=O)OC2=O

InChI

1S/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2/t5-,6+

chave InChI

KMOUUZVZFBCRAM-OLQVQODUSA-N

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Aplicação

cis-1,2,3,6-Tetrahydrophthalic anhydride (THPA) can be used as:
  • A curing agent for epoxides.[1][2]
  • A chemical modifier in the modification of polystyrene via Friedel-Crafts acylation for enhancing the thermal stability of the polymer.[3]
  • A reactant for the synthesis of cis-tetrahydroisoindole-1,3-dione derivatives and cyclic diimides.[3]

Pictogramas

Health hazardCorrosion

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

Aquatic Chronic 3 - Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

312.8 °F - closed cup

Ponto de fulgor (°C)

156 °C - closed cup

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Chemical modification of polystyrene?IV. Electrophilic substitution of polystyrene with cis-1, 2, 3, 6 tetrahydrophthalic anhydride
Biswas M and Chatterjee S
European Polymer Journal, 19(4), 317-320 (1983)
Influence of cure schedule and stoichiometry on the dynamic mechanical behaviour of tetrafunctional epoxy resins cured with anhydrides
Guerrero P, et al.
Polymer, 37(11), 2195-2200 (1996)
Polymer networks derived from curing of epoxidised linseed oil: influence of different catalysts and anhydride hardeners
Boquillon N and Fringant C
Polymer, 41(24), 8603-8613 (2000)
Montmorillonite K-10 supported one-pot synthesis of some symmetric diimides and 3a, 4, 7, 7a-tetrahydroisoindole-1, 3-dione derivatives under solvent-free conditions using microwaves
Habibi D and Marvi O
J. Serb. Chem. Soc., 70(4), 579-583 (2005)
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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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