4 4-Oxydiphthalic anhydride ODPA CAS 1823-59-2

4 4-Oxydiphthalic anhydride ODPA CAS 1823-59-2

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Nkọwa

Aha ngwaahịa: 4,4′-Oxydiphthalic anhydride (ODPA)

OZI: 1823-59-2

MF: C16H6O7

MW: 310.21

EINECS: 412-830-4

Ebe mgbaze: 225-229 Celsius (ọkụ)

Ebe esi mmiri: 410.39°C (atụmatụ siri ike)

Njupụta: 1.4942 (atụmatụ siri ike)

Ntụgharị ntụgharị: 1.6380 (atụmatụ)

ngwugwu 9

Nkọwapụta

Aha ngwaahịa  ODPA
Ọdịdị Ọcha ntụ ntụ
Ịdị ọcha ≥99%
MW 310.21
Ebe mgbaze 225-229 Celsius C (ọkụ)

Ngwa

4,4′-oxydiphthalic anhydridea ga-eji maka nkwadebe nke ihe polyimide.

Ọnọdụ nchekwa

Debe ebe nchekwa ahụ ma chekwaa ya n'ebe dị jụụ na nke kpọrọ nkụ, hụkwa na e nwere ezigbo ikuku ikuku ma ọ bụ ikuku n'ebe ọrụ.

Nkwụsi ike

Ọ bụrụ na ejiri ya ma chekwaa ya dịka nkọwapụta, ọ gaghị emebi. Enweghị mmeghachi omume dị ize ndụ amaara. Zere oxides.


Oge nzipu: Ọgọst-02-2022