Overview
Diethylhydroxylamine , also known as CAS 3710-84-7 , is a versatile hydroxylamine derivative used industrially as an oxygen scavenger, antioxidant, and polymerization inhibitor. It intercepts free radicals and dissolved oxygen in process streams.
This chemical protects equipment and materials from oxidative degradation across various industrial sectors. In boiler feedwater and steam systems, it scavenges dissolved oxygen to prevent corrosion in pipework and heat exchangers.
The compound also acts as a metal passivator to ensure long-term system integrity. Polymer and monomer producers utilize it to inhibit premature polymerization during the storage and transport of vinyl and acrylic monomers.
In oil and gas processing, it stabilizes hydrocarbon streams and protects refinery equipment from oxidative fouling. This ensures that process efficiency is maintained and downtime caused by equipment failure is minimized.
Rubber and latex formulations incorporate this additive as an antioxidant to extend shelf life. It helps maintain product integrity through rigorous processing and long-term storage conditions in global supply chains.
The product is supplied as a liquid, typically as an aqueous solution at concentrations of 85% and 100%. Technical grade is the standard commercial offering, with purity specifications aligned to industrial requirements.
Packaging options for this chemical range from standard drums to IBC totes and bulk tanker quantities. This flexibility allows for efficient logistics and handling depending on the specific volume requirements of the facility.
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Physical Properties
| Melting Point | 10 °C |
| Boiling Point | 76 °C |
| Density | 0.8612 g/cm³ @ Temp: 25 °C |
| Flash Point | 115 °F |
| Appearance | liquid |
| Color | Clear |
| Form | Liquid |
| Water Solubility | soluble |
| Vapor Pressure | 4 mm Hg ( 0 °C) |
| Refractive Index | n 20/D 1.420(lit.) |
| Log P | 0.5 at 23℃ |
Safety & Handling
Warning GHS02 GHS07 GHS09 GHS08 Hazard Statements H226 Flammable liquid and vapor H302 Harmful if swallowed H312 Harmful in contact with skin H315 Causes skin irritation H319 Causes serious eye irritation H320 Causes eye irritation H332 Harmful if inhaled H335 May cause respiratory irritation H371 May cause damage to organs H411 Toxic to aquatic life with long lasting effects H302+H312+H332 Harmful if swallowed, in contact with skin or if inhaled Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29280090 |
| UN Number | 1993 |
| ADR Class | 3 |
| Packing Group | III |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 3710-84-7
- EC Number
- 223-055-4
- Mol. Weight
- 89.14
- HS Code
- 29280090
- Category
- Amines