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Home > Chromotropic acid for Sale > 1,8-Dihydroxynaphthylene-3,6-disulfonicacid
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1,8-Dihydroxynaphthylene-3,6-disulfonicacid

Unit Price: Get Latest Price
CAS No.:

148-25-4

Grade:

Industrial Grade

Content:

100%

Port:

LIANYUNGANG

Packaging:

25kg/0.1kg Bag (Customized For YELLOW MOUNTAIN)

Price valid (until):

2017-08-05

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

  • Product Description

  • Seller Information

  • Description

    This product is made by treating H acid and dilute sulfuric acid under pressure. Chromotropic acid is a dark blue intermediate of the acidic intermediate of dyes. This dye can be used for dyeing wool fabrics. It is diazotized with 4-chloro-o-aminophenol and used to make chromium, titanium and formaldehyde, chromium, mercury, silver, titanium, chlorate, formaldehyde, nitrate and Nitrate.


    Storage and transportation
    1. Store in a cool and ventilated warehouse, the temperature of the warehouse should not exceed 37 ° C, and keep away from light.

    2. It should be stored separately from oxidants and edible chemicals. Avoid mixed storage and keep away from fire and heat sources.

    3. It is easy to change color in the air, and it is forbidden to be exposed in the air for a long time.

    4. Transportation vehicles should be equipped with corresponding types and quantities of fire-fighting equipment and leakage emergency treatment equipment.

    5. It is strictly prohibited to mix and transport with oxidants and edible chemicals.

    6. Protect from exposure to sunlight, rain and high temperature during transportation. When staying on the way, keep away from fire, heat source and high temperature area.

    ECHEMI Editorial Reference
    Chromotropic acid is a naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5. It has a role as an indicator. It is a naphthalenesulfonic acid and a member of naphthalenediols.

    Basic Info
    Product Name:

    Chromotropic acid

    Other Name:

    2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-;4,5-Dihydroxy-2,7-naphthalenedisulfonic acid;C.I. 16655;Chromatropic acid;Chromotropic acid;1,8-Dihydroxynaphthalene-3,6-disulfonic acid;911126-86-8;1081781-15-8

    CAS No.:

    148-25-4

    Molecular Formula:

    C10H8O8S2

    InChIKeys:

    InChIKey=HLVXFWDLRHCZEI-UHFFFAOYSA-N

    Molecular Weight:

    320.29600

    Exact Mass:

    320.30

    EC Number:

    205-712-7

    UNII:

    S596OD720M

    DSSTox ID:

    DTXSID6059732

    HScode:

    2908999090

    Characteristics
    PSA:

    165.96000

    XLogP3:

    0.5

    Density:

    1.929 g/cm3

    Refractive Index:

    1.756

    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

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Manufactory

    Location:

    Liaoning province Yingkou City, the old border Steel Industrial Park

    Yingkou Kang Technology Co., Ltd. formerly known as Yingkou kangru Chemical Co. Ltd., is located close to Dalian High-speed Rail, Shenyang Dalian highway intersection with the camp of iron and Steel Industrial Park, covers an area of 23000 square, building area of 12000 square, 40000000 yuan in fixed assets, the existing staff of 120 people, the company was founded in 1984, since the plant has been committed to paper chemicals, metal coating pretreatment agent, anti rust agent and metal working fluids, whisker four series of product development, application, promotion and service. The company has a sound technical testing instruments and production equipment, brought together a group of high-quality personnel, technical strength, as municipal enterprise technology center, high-tech enterprises. In recent years, my company for technical cooperation and America cleavite company, some products have reached or even exceeded the level of similar foreign products. Now has more than 100 kinds of products in the papermaking chemicals, metal working fluid, antirust oil, cleaning agent, phosphating solution, and whisker as representative, some products have been national patents. Our company is the earliest, the largest paper chemicals production enterprises, but also one of the professional production of high-grade antirust oil and liquid metal processing enterprises; is China Paper Chemicals Industry Association member units, Chinese rust Association member units, engineering plastics processing Association member unit. Company customers covering 28 provinces and cities nationwide, and successfully with some well-known domestic enterprises to establish a good relationship of cooperation, such as Hebei Yongxin Paper Co., Ltd., Henan Xinya Paper Group, Shenyang Huarun group, Yingkou Panpan group, Dandong Shuguang axle Limited by Share Ltd, Liaoning North crankshaft etc.. Our company has always been adhering to the "pioneering and innovative, good faith and mutual benefit" purpose, always adhere to the quality, constantly perfect self. In order to win customer satisfaction, and strive to reach the acme of perfection, refine on. We will provide the best quality service wholeheartedly for the general customer.

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