Customization: | Available |
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CAS No.: | 1400-62-0 |
Formula: | C28h24n2o7 |
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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.
1. 90days quality guarantee for exchange.
2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.
3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.
Product Name: | ORCEIN |
Synonyms: | ORCEIN, FOR MICROSCOPY;Orcein(CiNaturalRed28);Orcein(NaturalRed28);Orcein, certified, pure;PAcein;Orcein,pure,certified;Orcein, solution A, for microscopy;Orcein, solution B, for microscopy |
CAS: | 1400-62-0 |
MF: | C28H24N2O7 |
MW: | 500.49936 |
EINECS: | 215-750-6 |
Product Categories: | Phenoxazine |
Mol File: | 1400-62-0.mol |
Boiling point | 591.36°C (rough estimate) |
density | 1.3224 (rough estimate) |
refractive index | 1.5800 (estimate) |
storage temp. | room temp |
solubility | Insoluble in water, benzene, ether; soluble in ethanol, |
form | Powder |
pka | 4.0, 6.9, 13.4(at 25ºC) |
color | Dark brown to brown-black |
Water Solubility | Soluble in alcohol, acetic acid (red color), and dilute aqueous alkali (blue-violet color). Insoluble in water. |
λmax | 575 nm |
Merck | 14,6863 |
Stability: | Stable. |
Biological Applications | Diagnosis of liver biopsy; detecting Candida,hepatitis B surface antigen in fixed tissues,histamines,HBsAg in liver cell,microorganisms |
EPA Substance Registry System | Orcein (1400-62-0) |
Hazard Codes | Xn |
Risk Statements | 22 |
Safety Statements | 37/39-26-24/25 |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 32129000 |
Chemical Properties | dark brown crystals or powder |
Uses | Biological stain. |
Uses | Orcein (cas# 1400-62-0) is an organic dye and histochemical stain. Orcein has also been used as a stain for extracellular matrices. Dyes and metabolites. |
Definition | ChEBI: A member of the class of benzofurans that is dibenzo[b,d]furan-3,7-dione bearing two methyl substituents at positions 1 and 9 as well as two 2,4-dihydroxy-6-methylanilino substituents at positions 2 and 8. |
General Description | Orcein is a weakly acidic orange-red fluorochrome and is mainly required for the staining of elastic tissue. It is not specific for chromatin staining, however, in acidic solutions it works as a basic dye and stains basophilic chromosomes purple red. |