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

2025 - The most valued supplier

The following 2 notable providers have been checked and can be recommended.

BLD Pharmatech

Smile code: O=CC1=CC=CC=C1C=O MDL Number: MFCD00003335 Purity : 98% Available in stock: 46455 g

BuGuCh & Partners

Product name: o-Phthalaldehyde Synonyms:1,2-Benzenedialdehyde;o-Phthaladehyde;phtalaldehydes;Phthalaldialdehyde;Phthalic aldehyde;Phthalic dialdehyde;Phthalyldicarboxaldehyde;O-PHTHALIC DIALDEHYDE CAS: 643-79-8 Formula: C8H6O2 Molecular weight: 134.13 Chemical Properties: light yellow crystalline, sensitive to light and air, can be volatile with water vapor. Dissolved in water, ethanol, ether and organic solvents, slightly soluble in petroleum ether. Irritating Melting point: 55-58 °C(lit.) Boiling point: 83-84 °C (0. >>more

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

The last intensive check and update was carried out on 2025/05/30.

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

Suppliers

BLD Pharmatech Ltd

Tipo de companhia: Supplier

Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. Nós somos fornecedor de Sodium pentanoate. Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...

país: P.R.China telefone: +86-21-61629022 fax: +86-21-50201702

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BuGuCh & Partners

Tipo de companhia: Producer

país: 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 sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

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Safety Information

Hazard Symbols: Xi, T, N, C

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:

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.

OPA

BuGuCh & Partners

2-Phthalaldehyde

Carbone Scientific Co., Ltd. +6 additional providers that we know from the past

o-Phthalaldehyde

Phthaldialdehyde

+2 additional providers that we know from the past

Phthalic aldehyde

Sancai Industry Co.,Ltd. | Dayang Chem (Hangzhou) Co.,Ltd. +2 additional providers that we know from the past

o-Phthaldialdehyde

Capot Chemical Co., Ltd. +8 additional providers that we know from the past

o-Phthalaldehyde, Reag.

+2 additional providers that we know from the past

o-Phthalic dicarboxaldehyde

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +6 additional providers that we know from the past

1,2-Phthalic dicarboxaldehyde

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Nantong Xindao Biotech Ltd +1 additional providers that we know from the past