75-60-5
Product Name:
CACODYLIC ACID
Formula:
C2H7AsO2
Synonyms:
Dimethylarsinic acid;Dimethylarsonic acid;Hydroxydimethylarsine oxide
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Cacodylic acid appears as a colorless, odorless crystalline solid. Melting point 195-196 °C. Toxic by ingestion and irritating to skin and eyes. |
|---|---|
| Color/Form | Crystals from alcohol and ether |
| Odor | Odorless |
| Boiling Point | greater than 392 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 383 to 385 °F (NTP, 1992) |
| Solubility | Very soluble (NTP, 1992) |
| Density | greater than 1.1 at 68 °F (est.) (USCG, 1999) |
| Vapor Pressure | 0.0000001 [mmHg] |
| Stability/Shelf Life | COMPLETELY STABLE IN STORAGE. |
| Decomposition | When heated to decomposition it emits toxic fumes of /arsenics/. |
| Corrosivity | All formulations are mildly corrosive. |
| Dissociation Constants | pKa = 1.57 |
| Collision Cross Section | 112.5 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards] |
| Other Experimental Properties | Hygroscopic |
| Chemical Classes | Metals -> Arsenic Compounds, Organic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H350:Carcinogenicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 138.00 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 137.966199 g/mol |
| Monoisotopic Mass | 137.966199 g/mol |
| Topological Polar Surface Area | 37.3 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 62 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Cacodylic acid appears as a colorless, odorless crystalline solid. Melting point 195-196 °C. Toxic by ingestion and irritating to skin and eyes.



