4,4'-DDA
Synonym(s):2,2-Bis(4-chlorophenyl)acetic acid;4,4′-DDA
- CAS NO.：83-05-6
- Empirical Formula: C14H10Cl2O2
- Molecular Weight: 281.13
- MDL number: MFCD00004248
- EINECS: 201-451-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:12:49
What is 4,4'-DDA?
Definition
ChEBI: A organochlorine compound comprising acetic acid having two 4-chlorophenyl substituents attached at the 2-position.
Safety Profile
Moderately toxic by ingestion. Anexperimental teratogen. Other experimental reproductiveeffects. Mutation data reported. When heated todecomposition it emits toxic fumes of Cl-.
Properties of 4,4'-DDA
| Melting point: | 167-169 °C (lit.) |
| Boiling point: | 392.54°C (rough estimate) |
| Density | 1.2624 (rough estimate) |
| refractive index | 1.4730 (estimate) |
| storage temp. | 0-6°C |
| form | neat |
| pka | 4.51±0.10(Predicted) |
| BRN | 1913593 |
| EPA Substance Registry System | p,p'-Dichlorodiphenylacetic acid (83-05-6) |
Safety information for 4,4'-DDA
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H351:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for 4,4'-DDA
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