Customization: | Available |
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CAS No.: | 4197-07-3 |
Formula: | C16h10n2na2o8s2 |
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Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
A: We can have a discussion.
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6: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.
Product Name: | CHROMOTROPE 2R |
Synonyms: | CHROMOTRORE;Chromotrope 2R, pure;2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(phenylazo)-, disodium salt;2-(Phenylazo)chromotropic acid disodium salt, Acid Red29;C.I.Mordant Blue 80;Chromotrope N-2R;Chromotrop 2 R, C.I. 16570, for complexometry;Acid phloxin GR |
CAS: | 4197-07-3 |
MF: | C16H10N2Na2O8S2 |
MW: | 468.37 |
EINECS: | 224-085-0 |
Product Categories: | |
Mol File: | 4197-07-3.mol |
CHROMOTROPE 2R Chemical Properties |
storage temp. | Store at RT. |
Colour Index | 16570 |
form | Crystalline Powder |
color | Reddish-brown |
Water Solubility | Soluble in water (1 mg/ml). |
Stability: | Stable. Incompatible with strong oxidizing agents. |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36 |
WGK Germany | 3 |
RTECS | QJ6418000 |
HS Code | 32041200 |
CHROMOTROPE 2R Usage And Synthesis |
Chemical Properties | dark brown powder |
Uses | Suitable for modified Gomori Trichrome stain |
Uses | Employed as an indicator for complexometry. It is also applied as a stain used in modified Gomori Trichrome stain. Used as a stain for cytology. |
Preparation | anil-ine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling. |
Definition | ChEBI: An organic sodium salt that is the disodium salt of 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid. It is used as the plasma stain in trichrome techniques. |