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Bromocresol Purple

Unit Price: Get Latest Price
CAS No.:

115-40-2

Grade:

USP / EP / BP / JP Grade

Content:

98%

Port:

shanghai

Brand:

YUHAN

Packaging:

500g/bottle

Price valid (until):

2026-06-30

Company Type:
Trader
Location:
China
Qualification:
Main Products:

CARBONOCHLORIDOTHIOIC ACID,5-OCTYLESTER

  • Product Description

  • Seller Information

  • Description


      Product Detail  


    Name: Bromocresol Purple
    CAS Number: 115-40-2
    Molecular Formula: C21H16Br2O5S
    Molecular Weight: 540.22
    EINECS Number: 204-087-8
    MDL Number: MFCD00011681
    Properties
    Melting Point 240 °C (decomposition) (literature value)
    Density 1.6509 (estimated value)
    Bulk Density 515 kg/m³
    Flash Point 36 °C
    Storage Conditions Store between +5 °C and +30 °C.
    Solubility in Ethanol: Soluble 1 mg/mL
    Acid dissociation constant (pKa) 6.21, 6.3, 6.4 (25 °C)
    Form: Solid
    Boiling point: 590.2 ± 50.0 °C (predicted)
    Color: Purple-brown
    pH range for color change as an acid-base indicator: 5.2 (yellow) – 6.8 (purple)
    pH: 5.2–6.8
    Water solubility: Practically insoluble
    Maximum wavelength (λmax): 419 nm, 433 nm, 591 nm
    ε (Extinction coefficient): ≥22,000 (418–424 nm, methanol solution)
    Merck 14,1387
    BRN 359618
    Henry’s Law Constant: 9.9×10¹² mol/(m³·Pa) (25°C, HSDB (2015))
    Stability: Stable. Incompatible with strong oxidizing agents.
    Main Applications: Optical waveguides, fuel cells, sensors, sol-gel technology, display devices, anti-counterfeiting security paper, coatings, detergents, distinguishing fresh from stale rice, detecting lactic acid bacteria, dental materials, methods for detecting vaginal infections
    InChI 1S/C21H16Br2O5S/c1-11-7-13(9-16 (22)19(11)24)21(14-8-12(2)20(25)17 (23)10-14)15-5-3-4-6-18(15)29(26,27)28-21/h3-10,24-25H,1-2H3
    InChI Key ABIUHPWEYMSGSR-UHFFFAOYSA-N
    SMILES
    c1cc(cc(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)c(Br)c4
    CAS Database 115-40-2 (CAS DataBase Reference)
    EPA Chemical Information: Bromophenol Blue (115-40-2)


    Item Value
    Product Name Bromocresol Purple (BCP)
    CAS No. 115-40-2
    Purity ≥98% (Indicator Grade)
    pH Range 5.2–6.8 (Yellow → Purple)
    Appearance Yellowish Crystalline Powder
    Molecular Formula C₂₁H₁₆Br₂O₅S
    Molecular Weight 540.22
    HS Code 2934991000 / 2907129000
    EINECS 204-087-8
    Package 5g/10g/25g/100g/1kg/25kg
    Storage Room Temperature, Sealed

    Basic Info
    Product Name:

    Bromocresol purple

    Other Name:

    Phenol,4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-;o-Cresol,4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[6-bromo-,S,S-dioxide;Phenol,4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-,S,S-dioxide;Bromocresol purple;o-Toluenesulfonic acid,α,α-bis(5-bromo-4-hydroxy-m-tolyl)-α-hydroxy-,γ-sultone;3H-2,1-Benzoxathiole,phenol deriv.;4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methylphenol];Bromcresol purple;NSC 374134;99792-85-5;518-50-3;644950-41-4

    CAS No.:

    115-40-2

    Molecular Formula:

    C21H16Br2O5S

    InChIKeys:

    InChIKey=ABIUHPWEYMSGSR-UHFFFAOYSA-N

    Molecular Weight:

    540.22

    Exact Mass:

    540.22

    BRN:

    359618

    EC Number:

    204-087-8

    UNII:

    201C22C3EC

    NSC Number:

    374134

    DSSTox ID:

    DTXSID3059428

    Color/Form:

    Minute, slightly yellow crystals

    HScode:

    29349990

    Categories:

    Organometalate

    Characteristics
    PSA:

    92.21000

    XLogP3:

    5.92

    Appearance:

    Purplish-brown Solid

    Density:

    1.8±0.1 g/cm3

    Melting Point:

    241.5 °C

    Boiling Point:

    590.2±50.0 °C at 760 mmHg

    Flash Point:

    36 °C

    Refractive Index:

    1.695

    Water Solubility:

    Practically insoluble in water;ethanol: soluble 1mg/mL

    Storage Conditions:

    Store at RT.

    Vapor Pressure:

    1.15X10-15 mm Hg at 25 deg C (est)

    Henrys Law Constant:

    Henry's Law constant = 4.0X10-18 atm-cu m/mol at 25 °C (est)

    Dissociation Constants:

    pKa = 6.3

    Hazard Identification

    Classification of the substance or mixture

    Skin irritation, Category 2

    Eye irritation, Category 2

    Specific target organ toxicity – single exposure, Category 3

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H315 Causes skin irritation

    H319 Causes serious eye irritation

    H335 May cause respiratory irritation

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    Response

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P321 Specific treatment (see ... on this label).

    P332+P317 If skin irritation occurs: Get medical help.

    P362+P364 Take off contaminated clothing and wash it before reuse.

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P319 Get medical help if you feel unwell.

    Storage

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Keep container tightly closed in a dry and well-ventilated place.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    CARBONOCHLORIDOTHIOIC ACID,5-OCTYLESTER

    Location:

    B9-2, LIANGFENG COMMUNITY, CHANGSHENGQIAO TOWN, NANAN DISTRICT, CHONGQING CITY,CHINA

    Payment Terms:

    TT against copy of documents,D/P,L/C

    Average lead Time:

    60

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    11-50

    Year of Establishment:

    2017

    Certifications:

    GSG,Awards,Certificate of Record for the Handling of Non-Pharmaceutical Precursor Chemicals, Category II,Certificate of Registration for Entities Handling Explosive Hazardous Chemicals,Registration form for foreign trade operators,Hazardous Chemicals Operating License,Certificate of Record for the Handling of Non-Pharmaceutical Precursor Chemicals, Category III,Customs Receipt of Registration for Import/Export Consignees and Consignors,Business License

  • Country Product Purchase Quantity Date Posted
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