Difference between revisions of "Bromophenol blue"

From CAMEO
Jump to navigation Jump to search
(username removed)
 
m (MDerrick moved page Bromphenol blue to Bromophenol blue without leaving a redirect)
 
(3 intermediate revisions by 3 users not shown)
Line 1: Line 1:
 
== Description ==
 
== Description ==
 
+
[[[SliderGallery rightalign|bromophenol blue.jpg~Chemical structure]]]
 
A tan to orange powder that is used as an acid-base indicator dye. In solution, bromophenol blue gives a yellow color below pH 3.0 and purple color above pH 4.6.
 
A tan to orange powder that is used as an acid-base indicator dye. In solution, bromophenol blue gives a yellow color below pH 3.0 and purple color above pH 4.6.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
Bromphenolblau (Deut.); bromophenol blue; bromcresol blue; bromphenol blue sulfone form; 3,3',5,5',-tetrabromophenolsulfonphthalein; 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromophenol)S,S dioxide
+
Bromphenolblau (Deut.); bromphenol blue; bromcresol blue; bromphenol blue sulfone form; 3,3',5,5',-tetrabromophenolsulfonphthalein; 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromophenol)S,S dioxide
  
[[[SliderGallery rightalign|bromphenol blue.jpg~Chemical structure]]]
+
== Risks ==
  
== Other Properties ==
+
* Ingestion, inhalation or contact may cause irritation. 
 +
* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=B3925&productDescription=BROMOPHENOL+BLUE+CERT+ACS+5G&vendorId=VN00033897&countryCode=US&language=en SDS]
  
 +
==Physical and Chemical Properties==
 
Soluble in ethanol, ether, ethyl acetate, benzene, alkali solutions. Slightly soluble in water. Hexagonal crystals.
 
Soluble in ethanol, ether, ethyl acetate, benzene, alkali solutions. Slightly soluble in water. Hexagonal crystals.
  
Line 22: Line 24:
 
|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 273
+
| 273 C
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
Line 28: Line 30:
 
|-
 
|-
 
! scope="row"| Boiling Point
 
! scope="row"| Boiling Point
| 279 (dec)
+
| 279 (dec) C
 
|}
 
|}
  
== Hazards and Safety ==
+
==Resources and Citations==
 
 
Ingestion, inhalation or contact may cause irritation. 
 
 
 
Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/b5056.htm MSDS]
 
 
 
== Authority ==
 
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
+
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971
  
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 1468
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 1468

Latest revision as of 11:54, 10 May 2022

Description

A tan to orange powder that is used as an acid-base indicator dye. In solution, bromophenol blue gives a yellow color below pH 3.0 and purple color above pH 4.6.

Synonyms and Related Terms

Bromphenolblau (Deut.); bromphenol blue; bromcresol blue; bromphenol blue sulfone form; 3,3',5,5',-tetrabromophenolsulfonphthalein; 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromophenol)S,S dioxide

Risks

  • Ingestion, inhalation or contact may cause irritation.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in ethanol, ether, ethyl acetate, benzene, alkali solutions. Slightly soluble in water. Hexagonal crystals.

Composition C19H10Br4O5S
CAS 115-39-9
Melting Point 273 C
Molecular Weight mol. wt. = 670.02
Boiling Point 279 (dec) C

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1468
  • Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995 Comment: OMNIC: formula= C19H10Br4O5S, CAS= 115-39-9