(2Z)-but-2-ene-1,4-diol
2-Butene-1,4-diol
CAS: 110-64-5
Molecular Formula: C4H8O2
(2Z)-but-2-ene-1,4-diol - Names and Identifiers
| 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- |
(2Z)-but-2-ene-1,4-diol - Physico-chemical Properties
| 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 |
(2Z)-but-2-ene-1,4-diol - Risk and Safety
| 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 |
(2Z)-but-2-ene-1,4-diol - Upstream Downstream Industry
| Raw Materials | Calcium carbide Formaldehyde |
| Downstream Products | endosulfan |
(2Z)-but-2-ene-1,4-diol - Nature
Open Data Verified Data
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.
Last Update：2024-01-02 23:10:35
(2Z)-but-2-ene-1,4-diol - Preparation Method
Open Data Verified Data
prepared by catalytic hydrogenation of butynediol as a raw material.
Last Update：2022-01-01 10:15:20
(2Z)-but-2-ene-1,4-diol - Use
Open Data Verified Data
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.
Last Update：2022-01-01 10:15:20
(2Z)-but-2-ene-1,4-diol - Safety
Open Data Verified Data
- non-corrosive, low toxicity. But it is irritating to the skin and mucous membranes. The LDso of rabbits and guinea pigs were 1. 25mL/kg and 1.25-1. 5mL/kg, respectively. The production workshop should be well ventilated, and the equipment should be sealed to prevent leakage. Operators should wear protective equipment (such as goggles, gloves, masks, etc.).
- the product is packed in brown glass bottles, and the coat is protected by a wooden box.
Last Update：2022-01-01 10:15:21
(2Z)-but-2-ene-1,4-diol - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used as plasticizer of alkyd resin, crosslinking agent of synthetic resin, bactericide, etc, 1, 4-butenediol is a pesticide and pharmaceutical intermediate, which is used in the synthesis of organic chlorine pesticide endosulfan. 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. used as plasticizer for alkyd resin, cross-linking agent for synthetic resin, bactericide, etc., and also used for making nylon, Medicine, 1, 4-butanediol and so on |
| production method | is obtained by catalytic hydrogenation of butynediol. After mixing a 40% aqueous solution of butynediol with 50% of Raney nickel, ammonia water as a inhibitor was added, and hydrogen was applied at a pressure of about 0.5MPa until the theoretical hydrogen absorption amount was reached. After filtration, the filtrate was distilled under reduced pressure, and the 110-114 ° C. (8kPa) fraction was collected to obtain butenediol. The preparation method is catalytic hydrogenation of 1, 4-butynediol to obtain 1, 4-butenediol. After mixing 40% aqueous butynediol solution with 50% Raney nickel, inhibitor ammonia water was added, and hydrogen gas was introduced at a pressure of about 0.5kPa until the theoretical hydrogen absorption amount was reached. After filtration, the filtrate was distilled under reduced pressure, and a fraction of 110 to 114 ° C./8kPa was collected to obtain 1, 4-butenediol. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1250 mg/kg; Intraperitoneal-rat LD50: 327 mg/kg |
| flammability hazard characteristics | flammability; Combustion stimulus smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:30:50
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View History
Raw Materials for (2Z)-but-2-ene-1,4-diol
Downstream Products for (2Z)-but-2-ene-1,4-diol