Disinfectant Opa Ortho Phthalaldehyde; CAS 643-79-8 O-Phthalaldehyde
5 Inquiries
643-79-8
Industrial Grade
99%
qingdao
guozhao
25kg/bag
Yes
2027-10-01
CHEMICALS
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial Referenceo-Phthalaldehyde is a pale yellow crystalline solid.
o-Phthalaldehyde is mainly used as a high-level disinfectant (a low-temperature chemical method) for heat-sensitive medical and dental equipment such as endoscopes and thermometers; in recent years, it has gained popularity as a safe and better alternative to glutaraldehyde.
There are some researches show, pH7.5 contains the sterilizing agent of o-phthalaldehyde 0.5%, and its sterilizing power, sterilization speed, stabilit
YELLOW SOLID IN VARIOUS FORMS WITH CHARACTERISTIC ODOUR.
Phthalaldehyde is a dialdehyde in which two formyl groups are attached to adjacent carbon centres on a benzene ring. It has a role as an epitope. It is a dialdehyde and a member of benzaldehydes.|A reagent that forms fluorescent conjugation products with primary amines. It is used for the detection of many biogenic amines, peptides, and proteins in nanogram quantities in body fluids.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)
Hazard IdentificationClassification 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
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
Precautionary statement(s) 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 StoragePrecautions 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.
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Seller Information
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Business Type:
Distributor
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Main Products:
CHEMICALS
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Location:
No. 109, Chailu Street, Qingnian Park Subdistrict, Huaian District, Jinan City, Shandong Province 280
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Year of Establishment:
2026
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
Zimbabwe
Opa 99% Ortho Phthalaldehyde Powder 643-79-8 O-Phthalaldehyde
5 KG Mar 4, 2026 
South Africa
Ortho-phthalaldehyde
500.00 KG Oct 9, 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 Post an enquiry for this product
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