There are no specific instructions for the preparation of this bromothymol blue indicator. The datasheet for this item indicates use in CHAPMAN Agar and instructs the preparation of a 0.04% bromothymol blue solution. This can be prepared by adding 0.1 g of bromothymol blue into 16 mL of 0.01 N sodium hydroxide and mixing in a mortar or small tube. Then, dilute to 250 mL with distilled water. Alternatively, product 318752 is an already prepared bromothymol blue sodium salt solution at 0.04%.
1.03026
Bromothymol blue
pH indicator, ACS, Reag. Ph Eur
Synonyme(s) :
Bromothymol blue, 3′,3′′-Dibromothymolsulfonphthalein, BTB
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A propos de cet article
Formule empirique (notation de Hill) :
C27H28Br2O5S
Numéro CAS:
Poids moléculaire :
624.38
Numéro MDL:
Code UNSPSC :
12171502
Numéro de classement CE :
200-971-2
Nomenclature NACRES :
NB.21
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Laissez-nous vous aiderNom du produit
Bromothymol blue, indicator ACS,Reag. Ph Eur
Qualité
ACS reagent
Niveau de qualité
Agence
reag. Ph. Eur.
Forme
solid
Perte
≤3% loss on drying, 110°C
visual transition interval
5.8-7.6, yellow to blue
Masse volumique apparente
450 kg/m3
Température de stockage
2-30°C
Chaîne SMILES
[S]1(=O)(=O)OC(c4c1cccc4)(c3c(c(c(c(c3)C(C)C)O)Br)C)c2c(c(c(c(c2)C(C)C)O)Br)C
InChI
1S/C27H28Br2O5S/c1-13(2)17-11-20(15(5)23(28)25(17)30)27(19-9-7-8-10-22(19)35(32,33)34-27)21-12-18(14(3)4)26(31)24(29)16(21)6/h7-14,30-31H,1-6H3
Clé InChI
NUHCTOLBWMJMLX-UHFFFAOYSA-N
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Cet article | 114413 | 114421 | B8630 |
|---|---|---|---|
| grade ACS reagent | grade ACS reagent | grade ACS reagent | grade - |
| agency reag. Ph. Eur. | agency - | agency - | agency - |
| form solid | form powder | form crystalline powder, powder or crystals | form powder |
| loss ≤3% loss on drying, 110°C | loss - | loss - | loss - |
| visual transition interval 5.8-7.6, yellow to blue | visual transition interval 6.0-7.6, yellow to blue(passes test) | visual transition interval 6.0-7.6, yellow to blue | visual transition interval 6.0-7.6, yellow to blue |
| bulk density 450 kg/m3 | bulk density - | bulk density - | bulk density - |
Application
- Novel pH-responsive indicator films based on bromothymol blue-anchored chitin for shrimp freshness monitoring: This study presents innovative pH-sensitive films that incorporate bromothymol blue into chitin, designed for tracking shrimp spoilage. The development and testing of these films in real-time scenarios offer a viable method for monitoring seafood freshness, ensuring quality control in food distribution chains (Yang et al., 2023).
Remarque sur l'analyse
Transition range: pH 5.8 - pH 7.6yellow - blue
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 3
Transition range (according to ACS): passes test
Sensitivity test: passes test
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 3
Transition range (according to ACS): passes test
Sensitivity test: passes test
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Certificats d'analyse (COA)
Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".
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Hallo, wie wird dieses Pulver angesetzt ?Gibt es eine Anleitung diesbezüglich?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfUtile ?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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