1,4-Diisocyanatobutane - Names and Identifiers
1,4-Diisocyanatobutane - Physico-chemical Properties
Molecular Formula | C6H8N2O2
|
Molar Mass | 140.14 |
Density | 1.105g/mLat 25°C(lit.) |
Melting Point | 0°C |
Boling Point | 102-104°C14mm Hg(lit.) |
Flash Point | 224°F |
Vapor Presure | 0.113mmHg at 25°C |
Appearance | Liquid |
Color | Clear light yellow |
BRN | 1756894 |
Storage Condition | 2-8°C |
Refractive Index | n20/D 1.453 |
1,4-Diisocyanatobutane - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27 - Take off immediately all contaminated clothing.
S37/39 - Wear suitable gloves and eye/face protection
|
UN IDs | 2206 |
WGK Germany | 3 |
FLUKA BRAND F CODES | 10-21 |
HS Code | 29291000 |
Hazard Class | 6.1(b) |
Packing Group | III |
1,4-Diisocyanatobutane - Reference
Reference Show more | 1. [IF=5.34] Xiang Zhou et al.Rosmarinic Acid Decreases the Malignancy of Pancreatic Cancer Through Inhibiting Gli1 Signaling.Phytomedicine. 2021 Nov;:153861 |
1,4-Diisocyanatobutane - Introduction
1,4-diisocyyanatobutane, also known as 1,4-diisocytanatobutane, is an organic compound. The following is a description of its nature, use, formulation and safety information:
Nature:
1. The chemical formula of 1,4-diisocyyanatobutane is C8H12N2O2 and the relative molecular mass is 168.19g/mol.
2. Appearance is colorless to light yellow liquid.
3. has a pungent smell.
4. insoluble in water, soluble in many organic solvents.
Use:
1. 1,4-diisocyyanatobutane is mainly used as an intermediate for polyurethane resins, used in the preparation of elastomers, coatings, adhesives and foams.
2. It can also be used as a crosslinking agent for preparing some polyurethane rigid foam plastics.
Preparation Method:
The preparation method of 1,4-diisocyyanatobutane is relatively simple, and can generally be obtained by the reaction of aniline and formyl chloride. Specific steps are as follows:
1. Slowly add aniline dropwise to formyl chloride, and add base catalyst at the same time.
2. The reaction mixture was gently stirred and allowed to react at an appropriate temperature.
3. After the reaction is over, the 1,4-diisocyyanatobutane product is isolated and purified by distillation and other purification steps.
Safety Information:
1. 1,4-diisocyyanatobutane is an organic compound, which is irritating and corrosive. Avoid contact with skin, eyes and respiratory tract during use and storage.
2. use should pay attention to take necessary safety measures, including wearing protective gloves, goggles and protective clothing.
3. Observe relevant regulations and safety procedures during storage and handling to ensure safe use and storage.
4. When treating waste generated by 1,4-diisocyyanatobutane, it should be treated in accordance with local waste treatment regulations to protect environmental safety.
Please note that this information is for reference only. If you need to understand and use 1,4-diisocyyanatobutane, it is recommended to read the relevant literature carefully before conducting relevant experiments or applications, and operate under the guidance of laboratory safety related personnel.
Last Update:2024-04-10 22:29:15