Factory in stock quality CAS 76-60-8 Bromocresol green
Hot selling CAS 76-60-8 Bromocresol green
Additive CAS 76-60-8 Bromocresol green
This is Sarah,if you need samples, please feel free to contact me!
Product Description
High quality Bromocresol green with best price CAS 76-60-8
| Product name |
Bromocresol green |
| CAS NO. |
76-60-8 |
| Molecular weight |
698.01 |
| Molecular formula |
C21H14Br4O5S |
| Package |
25kg |
Product Usage
Bromocresol green also known as 3,3 ', 5,5 '-tetrabromo-m-cresol sulfonyl phthalein, gamma-sultone. The precipitated from acetic acid is a fine light yellow crystal. Molecular weight 698.05. Melting point 218 ~ 219ºCChemicalbook. Slightly soluble in water, soluble in ethanol, ether and benzene. It is very sensitive to alkali and has a special blue-green color in alkaline aqueous solution. Bromocresol green can be used as an indicator, appearing yellow at pH 3.8 and blue-green at pH 5.4.
Bromocresol green (BCG), as an important staining agent, has been widely used in the field of analysis. 1) CN201110395918.7 discloses a method for testing the content of free amine in NMP. The invention tests the content of amine in NMP by preparing bromocresol green - methyl red indicating Chemicalbook agent and using acid-base titration method.
| Bromocresol green Chemical Properties |
| Melting point |
225 °C |
| density |
0.79 g/mL at 20 °C |
| Fp |
12 °C |
| storage temp. |
Store at RT. |
| solubility |
Solubility Sparingly soluble in water; soluble in ethanol, ether |
| form |
Powder/Solid |
| pka |
4.7(at 25ºC) |
| color |
Pale orange |
| PH Range |
3.8(YELLOW)-5.4(BLUE) |
| Water Solubility |
slightly soluble |
| λmax |
423nm, 444nm, 617nm |
| Merck |
141,386 |
| BRN |
372,527 |
Q1:Are you Support DDP?
A: Yes, we can delivery by special line, DDP, Please don't worry about customs clearance and customs duties.
Q2:Are you a manufacturer?
A: Yes, we are factory located in Hebei province.
Q3:Do you accept sample orders?
A: Yes,we welcome sample orders to test and check our product quality. Your reliance is the first step of our cooperation.
Q4: What kind terms of payment can be accepted?
A: We'd like to accept T/T, West Union, L/C, Money Gram,Paypal.
Q5: Which information in the inquiry you should send us?
A: Chemical name/ CAS No./exact quantity/ usage or field/destination port/other special requirements.
Q6: Is there any discount?
A: Yes. The price is negotiable. It depend on your qty.
Q7:How long does it take to the goods arrived?
A:Depending on your location, For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS. For mass order,
please allow 5-8 days by Air, 20-35 days by Sea.
Q8:How do you treat quality complaint?
A: First of all,our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us,
we will send you free goods for replacement or refund your loss.
Audited Supplier 
Audited Supplier 
){kind=link}
){kind=link}