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Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69- 78 -3

China Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3, Find details about China Organic Chemical Reagent, Chemical Raw Materials from Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3

Model NO.
69-78-3
Appearance
White Powder
Sample
Available
COA
Available
Trademark
EXN
Transport Package
Packed in Double Plastic Bags Inside, Outside with
Specification
40cm*40cm*50mm, 25KG/drum Nt.; 27.5Kg/drum. Gt.
Origin
China
Model NO.
69-78-3
Appearance
White Powder
Sample
Available
COA
Available
Trademark
EXN
Transport Package
Packed in Double Plastic Bags Inside, Outside with
Specification
40cm*40cm*50mm, 25KG/drum Nt.; 27.5Kg/drum. Gt.
Origin
China
Physicochemical properties
Application

DTNB can be used for the quantitative determination of mercaptan groups, and can be used for the determination of low molecular weight mercaptan (such as glutathione) in pure solutions and biological samples.

density1.8 + / - 0.1 g/cm3
Boiling point 671.9±55.0 °C at 760 mmHg
Melting point240 °C (Dec.)(lit.)
Molecular formulaC14H8N2O8S2
molecular weight 396.352
Flash point 360.1 + / - 31.5 ° C
Accurate quality 395.972198
PSA216.84000
LogP3.97
Appearanceyellow solid
Vapor pressure 0.0± 2.2mmHg at 25°C
refractive index1.769
Storage conditionsThis product should be sealed in a cool and dry place.
The Incompatible with strong bases, strong oxidizing agents.

 

 

Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3
Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3
Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3

  Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3

Packaging & Shipping

 

Packing and Storage: Packed in double plastic bags inside, outside with 25kg Fiber Drum.

Drum Size: 40cm*40cm*50mm, 25KG/drum Nt.;27.5Kg/drum.Gt. Store in a well-closed container away from moisture.

Shelf Life: 2 years if sealed and store away from direct sun light.

Storage: Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat

Delivery time: Around 3-5 workdays after your payment.
Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3

Company Profile

Chemical Products/Materials API Pharmaceutical I Ntermediates 5.5-Dithiobis (2-nitrobenzoic acid) (DTNB) CAS 69-78-3

FAQ

Q1: How to confirm the Product Quality before placing orders?A: By sending you our available samples. Or if you have special requirement on the goods, we can prepare samples according to your requirement and send to you for your confirmation.

Q2: Can you supply free samples?A: Yes, we can provide some free sample, but the shipping cost should be on the customers' account. You can either pay us the shipping cost or arrange a courier to collect the samples.

Q3: What's the MOQ?A: The minimum order quantity for most of our products is 1kg.

Q4: Is there any discount?A: Yes, for larger quantity, we always support with better price.

Q5: How to place order and make payment?A: You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation., then you can make payment accordingly.

Q6: How do you treat quality complaint?A: All our products are strictly tested by our QC, and confirmed by QA; unqualified material will not be released to customer. In case any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

Our Advantages

 

1. Any inquiries will be replied within 12 hours.
2. Reasonable & competitive price, fast lead time.
3. FREE SAMPLE is available for your evaluation & Formulation development.
4. We can produce the products upon your requirements
5. Faster delivery: Sample order in stock and 3-7 days for bulk production.
6. Have strong cooperation with DHL, TNT, UPS, FEDEX, EMS.
7. We will inform you all the information at every stage in advance.
8. Packaging can gear to buyers' special request. 

 

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