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BGC » Chemicals A-Z » Benzene-1,2-dicarboxaldehyde
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Benzene-1,2-dicarboxaldehyde

BGC Id:282385692379
CAS No:643-79-8
Synonyms:opa ; o-phthaladehyde ; phtharal ; 2-phthaldehyde ; phtalaldehydes ; o-phthaldehyde ; cidex-opa ; phthalaldehyde ; phthaldehyde ; opd
Molecular Formula:C8H6O2
Molecular Weight:134.13
EINECS:211-402-2
Structural Formula

2025 - The most valued supplier

The following notable provider has been checked and can be recommended.
Chemical-Suppliers
BuGuCh & Partners
Company type: Producer
Country: Germany
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production site ...
The last intensive check and update was carried out on 2025/10/30.

Identify

Synonyms:
opa ; o-phthaladehyde ; phtharal ; 2-phthaldehyde ; phtalaldehydes ; o-phthaldehyde ; cidex-opa ; phthalaldehyde ; phthaldehyde ; opd
CAS:
643-79-8
EINECS:
211-402-2
Molecular Formula:
C8H6O2
MDL:
MFCD00003335

Properties

Molecular Weight:
134.13 g·mol−1
Density:
1.13
Melting point:
55-58 °C(lit.)
Boiling point:
83-84 °C (0.7501 mmHg)
Flash point:
>230 ºF
download Download Molfile for :
o-Phthalaldehyde

Safety Information

Hazard Symbols: Xi, T, N, C
hazard symbol T hazard symbol C hazard symbol N hazard symbol Xi
Europe standard Hazard pictograms, code and definition
Hazard Classes:
Risk Codes:
36/37/38-43-34-25-50-52/53 (R)
Safety Codes:
26-28-36-45-36/37/39-61-37/39 (S)
WGK Germany:
3
RID / ADR:
UN2923 8 / PG 2
RTECS:
TH6950000
Storage temperature:
2-8°C

What other providers are available for CAS 643-79-8?

In addition to the providers presented here for Benzene-1,2-dicarboxaldehyde with the CAS number 643-79-8, there are other 114 providers with slightly different product names available for this CAS number.

Chemical-Suppliers OPA
BuGuCh & Partners
Carbone Scientific Co., Ltd. +6 additional providers that we know from the past
Beijing Century Richap Chemistry Co., Ltd. | Shandong Chuangying Chemical Co., Ltd. | Biesterfeld Spezialchemie GmbH | Senzhuo Industry Co.,Ltd | Wuhan PharmChem Co., LTD. | Refine Chemical Co.,Ltd. | Simagchem Corporation | Hangzhou Verychem Science & Technology Co., Ltd. | Xiamen Hisunny Chemical Co., Ltd. | Sancai Industry Co.,Ltd. | Shandong Lanhai Industry Co.,Ltd. | H&Z Industry Co.,Ltd | Shandong Minglang Chemical Co., Ltd | Hangzhou Zhongqi Chem Co., Ltd | Zehao Industry Co., Ltd. | Lori Industry Co., Ltd | Finetech Industry Limited | Shandong SanYoung Industry Co., Ltd | Xingrui Industry Co., Limited | Xiamen Equation Chemical Co.,Ltd | AK Scientific, Inc. | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. | BuGuCh & Partners +52 additional providers that we know from the past
+2 additional providers that we know from the past
Sancai Industry Co.,Ltd. | Dayang Chem (Hangzhou) Co.,Ltd. +2 additional providers that we know from the past
Capot Chemical Co., Ltd. | Molekula GmbH +7 additional providers that we know from the past
+2 additional providers that we know from the past
BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +6 additional providers that we know from the past
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) +2 additional providers that we know from the past




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