Chlorpropham CAS#101-21-3
Low Melting Point for Easy Processing: The compound has a low melting point of 41.4°C, making it convenient to handle, process, and incorporate into various industrial applications.
Excellent Compatibility with Organic Solvents: It is miscible with lower alcohols, aromatic compounds, and most organic solvents, providing broad formulation flexibility.
High Product Purity: Industrial-grade material typically offers a purity of 98.5%, ensuring consistent quality and reliable performance in manufacturing processes.
Good Stability Under Normal Conditions: The compound remains stable at temperatures below 100°C, making it suitable for storage and use under standard processing conditions.
Chlorpropham CAS#101-21-3
Chlorpropham is a solid compound with a relatively low melting point of 41.4°C. It has a density of d30 1.180 and a refractive index of nD20 1.5395 (after cooling).
At 25°C, its solubility in water is approximately 89 mg/L, while it exhibits moderate solubility in oils, with about 10% solubility in kerosene. It is compatible with lower alcohols, aromatic hydrocarbons, and most organic solvents.
Industrial-grade Chlorpropham typically has a purity of 98.5% and a melting point range of 38.5–40°C. The compound remains stable at temperatures below 100°C, although it undergoes gradual hydrolysis under acidic or alkaline conditions.
Chlorpropham Chemical Properties
| Melting point | 41°C |
| Boiling point | 247°C |
| density | 1.18 |
| refractive index | nD20 1.5388 |
| Fp | 247°C |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 13.06±0.70(Predicted) |
| form | crystalline |
| color | light tan |
| Odor | faint char. odor |
| Water Solubility | 0.009 g/100 ml very poor |
| Decomposition | 247 ºC |
| Merck | 142187 |
| BRN | 2211397 |
| Exposure limits | An experimental carcinogen and neoplastigen |
| Stability: | Stable. Incompatible with strong acids, strong bases, strong oxidizing agents. |
| Major Application | agriculture |
| InChI | 1S/C10H12ClNO2/c1-7(2)14-10(13)12-9-5-3-4-8(11)6-9/h3-7H,1-2H3,(H,12,13) |
| InChIKey | CWJSHJJYOPWUGX-UHFFFAOYSA-N |
| SMILES | CC(C)OC(=O)Nc1cccc(Cl)c1 |
| CAS DataBase Reference | 101-21-3(CAS DataBase Reference) |
| IARC | 3 (Vol. 12, Sup 7) 1987 |
| NIST Chemistry Reference | Chlorpropham(101-21-3) |
| EPA Substance Registry System | Chlorpropham (101-21-3) |
Safety Information
| Hazard Codes | Xn,N,F |
| Risk Statements | 22-51/53-36-20/21/22-11 |
| Safety Statements | 61-36/37-26-16 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | FD8050000 |
| HS Code | 2924.29.4300 |
| HazardClass | 9 |
| PackingGroup | III |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 4 Dermal |
| Acute Tox. 4 Inhalation | |
| Acute Tox. 4 Oral | |
| Eye Irrit. 2 | |
| Flam. Liq. 2 | |
| Hazardous Substances Data | 101-21-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1.2 g/kg (Boyd, Carsky) |
Product Application of Chlorpropham CAS#101-21-3
Chlorpropham is used as both a pre-emergence and post-emergence herbicide for weed control and plant growth regulation. It is commonly applied in crops such as carrots, onions, garlic, and other agricultural products to help manage unwanted weeds and support crop development.
