Name | 2-Butene-1,4-diol |
Synonyms | Butenediol agrisynthb2d butene-1,4-diol 2-Butene-1,4-diol but-2-ene-1,4-diol 1,4-buenedilo(liquid) 1,4-Dihydroxy-2-butene (2E)-2-Butene-1,4-diol (Z)-but-2-ene-1,4-diol (2Z)-but-2-ene-1,4-diol (E)-but-2-ene-1,4-diol (2E)-but-2-ene-1,4-diol CIS-1,4-DIHYDROXY-2-BUTENE |
CAS | 110-64-5 |
EINECS | 203-787-0 |
InChI | InChI=1/2C4H8O2/c2*5-3-1-2-4-6/h2*1-2,5-6H,3-4H2/b2-1+;2-1- |
Molecular Formula | C4H8O2 |
Molar Mass | 88.11 |
Density | 1.07 g/mL at 25 °C(lit.) |
Melting Point | 4-10°C(lit.) |
Boling Point | 235°C(lit.) |
Flash Point | >230°F |
Water Solubility | 131.4 at 12 mm Hg |
Vapor Presure | 2.46E-07mmHg at 25°C |
Color | yellow |
pKa | 14.17±0.10(Predicted) |
Refractive Index | n20/D 1.479 |
Physical and Chemical Properties | Character: colorless liquid. boiling point 84 ℃ relative density 1.070 refractive index 1.4770 flash point 128 ℃ soluble in water, ethanol, acetone, almost insoluble in lower aliphatic hydrocarbons or aromatic hydrocarbons. |
Use | It can be used as plasticizer of alkyd resin, crosslinking agent of synthetic resin, bactericide, etc. It can also be used for making nylon, Medicine, 1, 4-butanediol, etc |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 3 |
RTECS | EM4970000 |
FLUKA BRAND F CODES | 23 |
HS Code | 29053990 |
Raw Materials | Calcium carbide Formaldehyde |
Downstream Products | endosulfan |
colorless liquid. The freezing point was 11.8 °c. The boiling point is 84 °c (0.133 kPa). The relative density was 1.070. Refractive index (5) 4770. Viscosity (20 °c) 22Pa -s. Flash point (Open Cup) 128 °c. Soluble in water, ethanol, acetone, almost insoluble in lower aliphatic hydrocarbons or aromatic hydrocarbons. Can participate in esterification, alkylation, cyclization, substitution, addition and isomerization reactions.
prepared by catalytic hydrogenation of butynediol as a raw material.
It is mainly used as an intermediate for preparing pesticides, agricultural chemicals and vitamin B6, and is used in a small amount for polymer production.