1,2-butanediol CAS NO.26171-83-5

Min.Order: 1 Kilogram
Payment Terms: T/T,MoneyGram,Other

Product Details

Keywords

1,2-butanediol
1,2-Dihydroxybutane
butane-1,2-diol

Quick Details

ProName: 1,2-butanediol
CasNo: 26171-83-5
Molecular Formula: C4H10O2
Appearance: A colorless liquid with a sweet taste.
Application: [Use 1] 1,2-butanediol is an intermed...
DeliveryTime: 4-15 workdays
PackAge: standard packaging
Port: Shnaghai Guangzhou
ProductionCapacity: 400 Metric Ton/Month
Purity: 97
Storage: Store in a cool, ventilated warehouse....
Transportation: by sea or air
LimitNum: 1 Kilogram

Superiority

1,Best Quality:

Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so you can trust us.

2, Payment method: for example T/T, Westerm Union,other

3, Excellent Service: Best service and after-sales service to all clients.

1)We will ship the goods within 5days after get your payments.If you want to cancel or change order, please tell me within 24hours after you finish the payment..

2)We will ship the goods that you order from us by DHL, UPS, TNT and EUB.We will decided to choose which courier depend on different countries.To find the best way to delivery the goods for you.

3)As usual you can get the goods with in 4-7days.If the goods were lost or not received for other reasons, please contact us immediately.

4,Fast and safe delivery:

Sample Order : As usual you can get the goods within 4-7days. We can send it via HKems, HK Air Post, DHL or other methods.

We have a professional and stable logistics, and we can deliver the package smoothly around 3 to 5 days.

Bulk Order: Shipped via sea or air, it's according to your requirement, delivery time is 7-15days after payment.

If you have any other questions to consult me,please not hesitate to contact me any times.

Details

1,2-butanediol physical and chemical properties

Density 1.0±0.1 g/cm3

Boiling point 190.3±8.0 °C at 760 mmHg

Melting point -50oC

Molecular formula C4H10O2

Molecular weight 90.121

Flash point 93.3±0.0 °C

Exact quality 90.068077

PSA 40.46000

LogP -0.81

Vapor pressure 0.1±0.8 mmHg at 25°C

Refractive index 1.438

Stability

Nitric acid is oxidized to form glycolic acid or dihydroxyacetic acid.

Molecular Structure

1, molar refractive index: 23.60

2, molar volume (cm3 / mol): 89.9

3, isotonic capacity (90.2K): 222.1

4. Surface tension (dyne/cm): 37.1

5, the polarizability (10-24cm3): 9.35

Computing chemistry

1, the hydrophobic parameter calculation reference value (XlogP): -0.2

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4, the number of rotatable chemical bonds: 2

5. Topological molecular polar surface area (TPSA): 40.5

6, the number of heavy atoms: 6

7, surface charge: 0

8, complexity: 28.7

9, the number of isotope atoms: 0

10. Determine the number of atomic stereocenters: 0

11, uncertain atomic stereocenter number: 1

12. Determine the number of chemical bond stereocenters: 0

13, the number of uncertain chemical bond stereocenters: 0

14, the number of covalent key units: 1

1. Properties: Colorless liquid with sweet taste.

2. Relative density (g/mL, 20/4 °C): 1.0024

3. Relative density (25 ° C, 4 ° C): 0.9987

4. Melting point (oC): not determined

5. Boiling point (oC, 101.3kPa): 191

6. Normal temperature refractive index (n25): 1.4360

7. Refractive index (n20oC): 1.4376

8. Flash point (oF): 300

9. Liquid standard burning heat (焓) (kJ·mol-1): -2479.6

10. The liquid phase standard claims heat (焓) (kJ·mol-1): -523.6

11. Critical temperature (oC): 406.85

12. Critical pressure (MPa): 5.2

13. Critical density (g·cm-3): 0.297

14. Critical volume (cm3·mol-1): 303

15. Critical compression factor: 0.279

16. Logarithmic value of oil-water (octanol/water) partition coefficient: not determined

17. Upper explosion limit (%, V/V): not determined

18. Lower explosion limit (%, V/V): not determined

19. Solubility: slightly soluble in water, soluble in ethanol, benzene, etc.

1,2-butanediol CAS NO.26171-83-5

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