Bromocresol green CAS 76-60-8

Product name:Bromocresol green
CAS：76-60-8
MF：C21H14Br4O5S
MW：698.01
EINECS:200-972-8

Product Description

Product name:Bromocresol green

CAS：76-60-8

MF：C21H14Br4O5S

MW：698.01

EINECS:200-972-8

Applicatiuon：

Used as acid-base indicator

Specifications :

Bromocresol green Basic information
Product Name:	Bromocresol green
CAS:	76-60-8
MF:	C21H14Br4O5S
MW:	698.01
EINECS:	200-972-8
Mol File:	76-60-8.mol
Bromocresol green Chemical Properties
Melting point	225 °C (dec.) (lit.)
density	0.79 g/mL at 20 °C
Fp	12 °C
storage temp.	no restrictions.
solubility	Solubility Sparingly soluble in water; soluble in ethanol, ether, ethyl acetate
form	Powder/Solid
pka	4.7(at 25℃)
Boiling point	626.0±55.0 °C(Predicted)
color	Pale orange
PH Range	3.8(YELLOW)-5.4(BLUE)
PH	3.8～5.4
Water Solubility	slightly soluble
λmax	423nm, 444nm, 617nm
Merck	141,386
BRN	372527
Stability:	Stable. Incompatible with strong oxidizing agents.
Major Application	Sol-gel matrix, fuel cells, sensors, display device, inks, paints, one-steptester for ammonia, cosmet-tester for ammonia, packaging system, textiles, cleansing products, detergents, cosmetics, diapers, identifying fresh and stale rice, monitoring fish spoilage, detecting carbohydrates, lacting acid bacteria, treating neoplasms, cancer, vaginal infection test method, drugs, dental materials
CAS DataBase Reference	76-60-8(CAS DataBase Reference)
EPA Substance Registry System	Bromcresol green (76-60-8)

product name	Bromocresol green		CAS		76-60-8
Name (content and impurity content %)		index		result
PH color change domain		3.8 (yellow green)-5.4 (blue)		3.8 (yellow green)-5.4 (blue))
Maximum absorption wavelength (nm)
λ1 (PH3.8)		440-445		443
λ2 (PH5.4)		615-618		618
Mass Absorption Index (L/cm g)
α1 (λ1, PH3.8, dry sample)		24-28		25.5
α2 (λ2, PH5.4, dry sample)		53-58		55.5
Ethanol dissolution test		qualified		qualified
loss on drying		3.0		0.9
Ignition residue (as sulfate)		0.25		0.12

公司信息

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.