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Key Documents

Safety Information

8.08617

Sigma-Aldrich

Terephthaldialdehyde

for synthesis

Synonym(s):

Terephthaldialdehyde, 1,4-Benzenedicarbaldehyde, Terephthalaldehyde

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About This Item

Linear Formula:
C6H4-1,4-(CHO)2
CAS Number:
623-27-8
Molecular Weight:
134.13
MDL number:
MFCD00006949
UNSPSC Code:
12352114
EC Index Number:
210-784-8

Quality Level

200

Assay

≥98.0% (GC)

bp

245-248 °C/1013 hPa

mp

112-115 °C

solubility

3 g/L

storage temp.

2-30°C

InChI

1S/C8H6O2/c9-5-7-1-2-8(6-10)4-3-7/h1-6H

InChI key

KUCOHFSKRZZVRO-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 112 °C
Melting range (upper value): ≤ 116 °C
Identity (IR): passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

168.8 °F - closed cup

Flash Point(C)

76 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Designated Flammable Substances
Flammable solid

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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