Поставщик высококачественного реагента для исследований ванилин CAS
- Категория: Chemical Reagent Products >>>
- Поставщик: Nanjing,Duly,Biotech,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-17-2025 | 5.29 $* | 5.58 $* |
| Aug-17-2025 | 5.18 $* | 5.94 $* |
| Jul-17-2025 | 4.91 $* | 4.62 $* |
| Jun-17-2025 | 5.25 $* | 5.43 $* |
| May-17-2025 | 4.39 $* | 4.53 $* |
| Apr-17-2025 | 5.8 $* | 5.43 $* |
| Mar-17-2025 | 5.79 $* | 5.52 $* |
| Feb-17-2025 | 4.5 $* | 4.79 $* |
| Jan-17-2025 | 4.75 $* | 4.6 $* |
Характеристики
| Grouping | Other reagents |
| Keywords | Vanillin |
| Brand | NJDULY |
| Model | R0367 |
| Place of Origin | Nanjing, China (Mainland) |
| Payment | T/T |
| Port | Shanghai |
| Supply Capacity | 100 Kilogram/Kilograms per Month |
| Packing | 25 grams/piece |
| Other packaging | please consult customer service |
| To Find Out More, Click Here | |
English Name: vanillin; vanillic aldehyde; 4-hydroxy-3-methoxybenzaldehyde; 3-methoxy-4-hydroxybenzaldehyde
Other names: vanillin; vanillin; vanilla; 3-methoxy-4-hydroxybenzaldehyde; 4-hydroxy-3-methoxybenzaldehyde
CAS No.: 121-33-5
C8H8O3=152.15
Level: AR
Content: ≥ 99.5%
Melting point: 81.0 ~ 83.0 ℃
Color: acceptable
Loss on drying: ≤ 0.2%
Ethanol dissolution test: acceptable
Fragrance: acceptable
Burning residue: ≤ 0.02%
Sodium hydroxide dissolution test: acceptable
Properties: white or very yellowish crystal, with aromatic odor, gradually oxidized in exposed air, sensitive to humidity, affected by light. Solubility in water: 10 g / L (25 ° C), 1G in 100ml of water, 16ml of 80 ℃ hot water, about 20ml of glycerin. Soluble in water, alcohol, chloroform, ether, carbon disulfide, glacial acetic acid, pyridine and alkali solution, also soluble in oil and hydroxide alkali solution, the solution is acid to litmus. Low toxicity, LD50 (rat, oral) 1580mg / kg. It's irritating. Density: 1.056; boiling point: 285 ℃.
Purpose: biochemical research. Standard for determination of protein, azaindene, phloroglucinol, tannic acid and iron ions, determination of chlorine and flavor from benzoic acid, and determination of methoxy by organic microanalysis
Preservation: RT, dark
Company Information
Nanjing Duly Biotech Co.,Ltd
has been established for 11 years. It is mainly engaded in biological and chemical reagents,including enzyme reagents, proteins, nucleic acids, pigments, amino acids, vitamins,carbohydrates, buffers, surfactants,culture media and Separation of materials and kits.There are more than 10,000 products in total.
Our company’s aim is to provide customers with the best quality products and the most intimate service.Personnel has been trained; every batch of material is checked; each procedure guarantees the quality; every bag of our products is top grade;service is thoughtful all the time.The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Our Services
FAQ
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2009.
Q2:How to contact with us?
Answer:Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Can you give me a discount price?
Answer:Surely,It depend on your qty.
Q4: How can i get a sample?
Answer:Free sample is available,but freight charges will be at your account and the charges will be return to you dudect from your order in future.
Q5:What are the main categories of products sold by the company?
Answer: It is mainly engaded in biological and chemical reagents,including enzyme reagents, proteins, antibiotics, plant hormones, nucleic acids, pigments, amino acids, vitamins, carbohydrates, buffers, surfactants, culture media and Separation of materials and kits.
Q6:Is the company mainly engaged in small packaging or large packaging?
Answer: Mainly do small packaging reagents, large packaging also do, specific can ask customer service personnel.
Our team
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