ChemAbout

ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase requestList your products (for suppliers)
© 2026 ChemAbout
Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Agrochemical/O,p′-DDT
C14H9Cl5
354.5 g/mol
AgrochemicalDanger

O,P'-DDT

CAS789-02-6EC212-332-5
Category
Agrochemical
Compound Class
Halocarbon
Primary Use
pesticide and disease vector control

o,p'-DDT is a structural isomer of DDT, an agrochemical primarily used as a pesticide and for disease vector control. According to NIOSH and the EPA, it is associated with developmental and reproductive toxicity.

pesticidedisease vector control

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Restricted or banned substances

Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.

Relevant lists:California Proposition 65

CAS 789-02-6

Related Compounds

ReferenceSame Category

Chloroacetic acid

CAS79-11-8

herbicide and chemical intermediate

ReferenceSame Category

Thiosemicarbazide

CAS79-19-6

chemical intermediate for herbicides

ReferenceSame Category

Eclipse

CAS79127-80-3

Insect growth regulator insecticide

ReferenceSame Category

Biphenyl dimethyl dicarboxylate

CAS792-74-5

insect growth regulator intermediate

Related Reading

Why Does One Chemical Intermediate End Up in Dozens of Pesticides? Inside the Reaction Interface Economy

A single pyridine intermediate feeds four different neonicotinoid insecticides. A single pyrazole acid feeds a whole family of SDHI fungicides. This isn't coincidence — it's the Reaction Interface Economy, the organizing logic behind modern agrochemical R&D and its supply chain.

Read more

Safety Reference

Toxic
Toxic
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H330Fatal if inhaled
H351Suspected of causing cancer
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Regulatory Compliance1
  • California Proposition 65USRegulation
    Listed· listed since 1998-05-15Source

Customs Tariff Classification

The international HS code for O,P'-DDT (CAS 789-02-6) is 2903.99.

HS code (international, 6-digit)

2903.99

EU CN code (8-digit)

2903 99 80

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

1-chloro-2-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene

InChIKey

CVUGPAFCQJIYDT-UHFFFAOYSA-N

SMILES

C1=CC=C(C(=C1)C(C2=CC=C(C=C2)Cl)C(Cl)(Cl)Cl)Cl

Synonyms (32)
  • 2,4'-DDT
  • DDT, o,p'-
  • O,P'-CHLOROPHENOTHANE
  • O,P'-DDT
  • ortho,para'-DDT