Diphenylamine 99% Min CAS 122-39-4 N-Phenylaniline Rubber Antioxidant & Dye Intermediate Bulk Supply
TDS 10 Inquiries
122-39-4
Industrial Grade
99%
Qingdao
Orient
25kg/bag,500kg/bag, customized
2026-09-14
pharmaceutical intermediates,peptides,electronic chemicals
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Product Description
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Seller Information
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History Price
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Inquiry History
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DescriptionECHEMI Editorial ReferenceDiphenylamine is a light tan to brown solid with a pleasant odor. Sinks in water. (USCG, 1999)|Diphenylamine is an aromatic amine containing two phenyl substituents. It has been used as a fungicide for the treatment of superficial scald in apples and pears, but is no longer approved for this purpose within the European Union. It has a role as a carotogenesis inhibitor, an antioxidant, an EC 1.3.99.29 [phytoene desaturase (zeta-carotene-forming)] inhibitor, an antifungal agrochemical, a ferroptosis inhibitor and a radical scavenger. It is an aromatic amine, a secondary amino compound and a bridged diphenyl fungicide.|In humans it may be irritating to mucous membranes. Methemoglobinemia has been produced experimentally. In veterinary use, it is one of active ingredients in topical agents for prevention and treatment of screwworm infestation. An indicator in tests for nitrate poisoning.CertificatesBasic Info
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Product Name:
Diphenylamine
Other Name:Benzenamine,N-phenyl-;Diphenylamine;N-Phenylbenzenamine;Anilinobenzene;DFA;DPA;Benzene,(phenylamino)-;N,N-Diphenylamine;N-Phenylaniline;DBA;No-Scald;Naugalube 428L;NSC 215210;Antioxidant DPA;N-Phenyl-α-aniline;1135443-74-1
CAS No.:122-39-4
Molecular Formula:C12H11N
InChIKeys:InChIKey=DMBHHRLKUKUOEG-UHFFFAOYSA-N
Molecular Weight:169.22
Exact Mass:169.22
BRN:508755
EC Number:204-539-4
UNII:9N3CBB0BIQ
ICSC Number:0466
NSC Number:215210
UN Number:2811|3077
DSSTox ID:DTXSID4021975
Color/Form:Monoclinic leaflets from dilute alcohol|Crystals|Colorless, tan, amber, or brown crystalline solid.
HScode:2921440000
Categories:
Characteristics-
PSA:
12.03000
XLogP3:2.97
Appearance:tan crystalline
Density:1.16 g/cm3
Melting Point:53-54 °C
Boiling Point:302 °C
Flash Point:307 °F
Refractive Index:1.634
Water Solubility:H2O: Slightly soluble . 0.03 g/100 mL;alcohol: passes test
Storage Conditions:0-6°C
Vapor Pressure:1 mm Hg ( 108 °C)
Vapor Density:5.82 (vs air)
Toxicity:Oral-Rat LD50: 1120 mg/kg; Oral-Mouse LD50: 1230 mg/kg
Flammability characteristics:Combustion produces toxic nitrogen oxide gas
Odor:Pleasant, floral odor.
OH:1.94e-10 cm3/molecule*sec
Henrys Law Constant:Henry's Law constant: 2.69X10-006 atm-cu m/mole @ 25 °C /Estimated/
Dissociation Constants:pKa = 0.78 @ 24 °C
Experimental Properties:Forms salts with strong acids|Hydroxyl radical reaction rate constant: 2.00X10-10 cu m/molecule-sec @ 25 °C
Air and Water Reactions:Dust may be explosive if mixed with air in critical proportions and in the presence of a source of ignition (USCG, 1999). Insoluble in water.
Reactive Group:Amines, Aromatic
Reactivity Profile:DIPHENYLAMINE discolors in light. This chemical can react violently with hexachloromelamine and trichloromelamine. It is incompatible with strong oxidizing agents and strong acids. It is also incompatible with iron and silver salts. It reacts with nitrogen oxides. (NTP, 1992)
Autoignition Temperature:1175 °F (USCG, 1999)|1173 °F (634 °C)|634 °C
Heat of Combustion:-16.300 BTU/LB= -9.060 CAL/G= -379X10+5 J/KG
Ionization Potential:7.40 eV
Flammable Limits:Combustible Solid; explosive if a cloud of dust is exposed to a source of ignition.
Physical Dangers:Dust explosion possible if in powder or granular form, mixed with air.
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 3, Oral
Acute toxicity - Category 3, Dermal
Acute toxicity - Category 3, Inhalation
Specific target organ toxicity â repeated exposure, Category 2
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
H311 Toxic in contact with skin
H331 Toxic if inhaled
H373 May cause damage to organs through prolonged or repeated exposure
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.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
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.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P316 Get emergency medical help immediately.
P361+P364 Take off immediately all contaminated clothing and wash it before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
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
NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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
Provision to contain effluent from fire extinguishing. Separated from strong acids and oxidants. Store in an area without drain or sewer access.In general, materials which are toxic as stored or which can decompose into toxic components...should be stored in a cool, well-ventilated place, out of direct rays of the sun, away from areas of high fire hazard, and should be periodically inspected... Incompatible materials should be isolated from each other.
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Seller Information
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Business Type:
Trader
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Main Products:
pharmaceutical intermediates,peptides,electronic chemicals
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Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone
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Payment Terms:
100% TT in advance
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Average lead Time:
10
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
51-100
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Year of Establishment:
2024
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Weekly Price
The chart shows the price trend of the product in the past 12 months.
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Inquiry History10 Inquiries
Country Product Purchase Quantity Date Posted 
Czech
difenylamin
13 TON Jul 13, 2025 
Kazakstan
Diphenylamine
40000 KG Aug 14, 2025 
Senegal
diphenylamine
1 MT Jun 8, 2026 
Uzbekistan
Diphenylamine solution Certified reference material, 5000 mcg/ml in methanol 40263-U
9 L Mar 10, 2026 
Russia
Difelamine
100 MT Jul 29, 2026
Uzbekistan
Diphenylamine solution
9 L Mar 13, 2026 
Pakistan
Diphenylamine
07 MT Oct 2, 2023 
Egypt
Diphenyl Amine
20 MT Aug 14, 2026
Egypt
DI-PHENYLAMINE(Technical) MIL-D-98A
20 MT Mar 10, 2026
Russia
Diphenylamine
70 KG Feb 14, 2024 Post an enquiry for this product
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