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- Contact Person : Ms. Xiangnan Chen
- Company Name : Dalian Chem Imp. & Exp. Group Co., Ltd.
- Tel : 86-411-82826986
- Fax : 86-411-82630088
- Address : Liaoning,Dalian,Chem Building, 61 Renmin Road, Dalian City, Liaoning Province. China
- Country/Region : China
- Zip : 116001
Industrial/Reagent grade 1,4-Butynediol(BYD)
1,4-Butynediol(BYD) is mainly used to produce BDO and its downstream products, such as poly (butylene terephthalate)(PBT), polyurethane (adhesive and chain-extending agent), tetrahydrofuran, γ-butyrolactone, N-methyl pyrrolidone, polyvinyl pyrrolidone.
Specification
| Product grade | Industrial grade | Reagent grade | ||||
| Superior grade | First-grade | Second-grade | Superior grade | First-grade | Second-grade | |
| Appearance | Light yellow solid | colorless or light yellow crystal | ||||
| Content of 1,4-butynediol%≥ | 98.0 | 97.0 | 95.0 | 99.0 | 98.5 | 98.0 |
| Content of formaldehyde(based on formaldehyde)%≤ | 0.50 | 0.80 | 1.00 | 0.50 | 0.80 | 1.00 |
| Molten point | 50.0 | 50.0 | 50.0 | 55.0 | 54.0 | 53.0 |
| Ash content% | - | - | - | 0.10 | 0.15 | 0.20 |
Transport:
Due to its chemical properties, this product must be hermetically stored in cool and dry places, and kept away from fire source and heat source. Deliquescence should be avoided. It should not be placed together with strong alkaline substances, and avoid contact with skin. During transportation, the product must be labeled the warning sign of fire and damp prevention. Product must be loaded or unloaded lightly to prevent damages to its packaging that will affect the product quality.