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o-Phenyldialdehyde

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CAS No.:

643-79-8

Port:

shanghai

Packaging:

bag

Price valid (until):

2026-04-05

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Shandong zhishang chemical Co.,Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Dichloromethane,Linocaine hydrochloride

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Product Description
Seller Information
Inquiry History

Description

Product Detail

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Items	Specifications
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Basic Info

Product Name:

Phthalaldehyde

Other Name:

1,2-Benzenedicarboxaldehyde;Phthalaldehyde;o-Phthalaldehyde;o-Phthaldialdehyde;Phthalic aldehyde;Phthalic dialdehyde;Phthalyldicarboxaldehyde;2-Formylbenzaldehyde;Benzene-1,2-dicarbaldehyde;o-Phthalic dialdehyde;1,2-Diformylbenzene;o-Diformylbenzene;CIDEX OPA;OP 100S;OP 100SF;1,2-Phthalaldehyde;o-Benzenedicarbaldehyde;NSC 13394;Phtharal;2-Phthalaldehyde;1,2-Formylbenzene

CAS No.:

643-79-8

Molecular Formula:

C8H6O2

InChIKeys:

InChIKey=ZWLUXSQADUDCSB-UHFFFAOYSA-N

Molecular Weight:

134.13

Exact Mass:

134.13

BRN:

878317

EC Number:

211-402-2

UNII:

4P8QP9768A

ICSC Number:

1784

NSC Number:

13394

UN Number:

2923

DSSTox ID:

DTXSID6032514

Color/Form:

Long, pale yellow needles from petroleum ether (MP 56-56.5 °C). Also reported as colorless powder (MP: 54 °C)|Yellow needles or crystals from ligroin

HScode:

29122900

Categories:

Characteristics

PSA:

34.1

XLogP3:

1.2

Appearance:

yellow powder

Density:

1.2±0.1 g/cm3

Melting Point:

55-56 °C

Boiling Point:

83-84 °C (0.7501 mmHg)

Flash Point:

>230 °F

Refractive Index:

1.623

Water Solubility:

H2O: soluble

Storage Conditions:

2-8°C

Vapor Pressure:

0.0052 mm Hg at 21 °C (0.69 Pa)

Vapor Density:

Relative vapor density (air = 1): 4.6

Toxicity:

LD50 orally in Rabbit: 178 mg/kg LD50 dermal Rat > 2000 mg/kg

Henrys Law Constant:

Henry's Law constant = 1.8X10-8 atm-cu m/mol at 25 °C (est)

Experimental Properties:

Hydroxyl radical reaction rate constant = 2.30X10-11 cu cm/molec-sec at 25 °C)

See More Phthalaldehyde Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

Skin corrosion, Category 1

Skin sensitization, Sub-category 1A

Serious eye damage, Category 1

Specific target organ toxicity â single exposure, Category 3

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H301 Toxic if swallowed H314 Causes severe skin burns and eye damage H317 May cause an allergic skin reaction H318 Causes serious eye damage H335 May cause respiratory irritation H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment.
Response	P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P319 Get medical help if you feel unwell. P391 Collect spillage.
Storage	P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Phthalaldehyde Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Dichloromethane,Linocaine hydrochloride

Location:
BUILDING 1,HISENSE INTELLIGENCE VALLEY,NO.2116,OF PHOEIX ROAD, HIGH-TECH ZONE ,JINAN CITY ,SHANDONG PROVINCE,CHINA

Payment Terms:
D/P,L/C,D/A

Average lead Time:
15

Total Annual Revenue:
$10 million-$25 million

Total Employees:
11-50

Year of Establishment:
2016

Shandong zhishang chemical Co.,Ltd is a leading Manufactory supplier of Adenosine, 5′-[[(3S)-3-amino-3-carboxypropyl]methylsulfonio]-5′-deoxy-, sulfate, 4-methylbenzenesulfonate sulfate (1:1:1:1), Ethylene oxide-propylene oxide copolymer, Strontium carbonate based in Jinan, Shandong, China. With a commitment to quality and customer satisfaction, Shandong zhishang chemical Co.,Ltd has become a trusted name in the industry. Our product line includes a range of high-quality Adenosine, 5′-[[(3S)-3-amino-3-carboxypropyl]methylsulfonio]-5′-deoxy-, sulfate, 4-methylbenzenesulfonate sulfate (1:1:1:1), Ethylene oxide-propylene oxide copolymer, Strontium carbonate, which are available at competitive prices. Shandong zhishang chemical Co.,Ltd has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
Zimbabwe	Opa 99% Ortho Phthalaldehyde Powder 643-79-8 O-Phthalaldehyde	5 KG	Mar 4, 2026
India	Phthalaldehyde	10.00 MT	Feb 18, 2024
Zimbabwe	Opa 99% Ortho Phthalaldehyde Powder	5 KG	Mar 5, 2026
Namibia	o-Phthalaldehyde OPA 99% Yellowish crystal 643-79-8 FinerChem	25 G	Dec 4, 2024

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