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Home > Encyclopedia > Carbofuran phenol

Carbofuran phenol

Carbofuran phenol structure

Carbofuran phenol 

structure
  • CAS No:

    1563-38-8

  • Formula:

    C10H12O2

  • Chemical Name:

    Carbofuran phenol

  • Synonyms:

    7-Benzofuranol,2,3-dihydro-2,2-dimethyl-;2,3-Dihydro-2,2-dimethyl-7-benzofuranol;2,3-Dihydro-2,2-dimethyl-7-hydroxybenzofuran;NIA 10272;2,3-Dihydro-7-hydroxy-2,2-dimethyl benzofuran;Carbofuran phenol;2,2-Dimethyl-2,3-dihydro-7-benzofuranol;2,2-Dimethyl-7-hydroxy-2,3-dihydrobenzofuran;7-Hydroxy-2,2-dimethyl-2,3-dihydrobenzofuran;Carbofuran 7-phenol;2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-ol;7-Hydroxy-2,2-dimethyl-2,3-dihydrobenzo[b]furan;2,2-Dimethyl-2,3-dihydrobenzo[b]furan-7-ol;2,2-Dimethyl-3H-1-benzofuran-7-ol

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

Colorless liquidOdorless, white crystalline solid.


Carbofuran phenol is an odorless, white crystalline solid.


Carbofuran phenol is an odorless, white crystalline solid.|2,2-dimethyl-2,3-dihydro-1-benzofuran-7-ol is a member of 1-benzofurans.

Carbofuran phenol Basic Attributes

164.204

164.20

216-350-4

772HS1899G

3082

DTXSID2027414

2932991000

Characteristics

29.5

2.23

Carbofuran phenol is an odorless, white crystalline solid.

1.101 g/mL at 25 °C(lit.)

120.5 °C

>230 °F

n 20/D 1.541(lit.)

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

0.839mmHg at 25°C

No rapid reaction with air. No rapid reaction with water.

Ethers

CARBOFURAN PHENOL, Compounds in this group do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has pKa = 9.88). These materials are incompatible with strong reducing agents such as hydrides, nitrides, alkali metals, and inorganic sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid. Nitrated phenols often explode when heated. Many of them form metal salts that tend toward detonation by rather mild shock.

Safety Information

UN 3082 9 / PGIII

3

R36/37/38

26-37/39

DF7708985

Xi

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

H315

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Some may burn but none ignite readily. Containers may explode when heated. Some may be transported hot. For UN3508, be aware of possible short circuiting as this product is transported in a charged state. (ERG, 2016)

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 39 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: SMALL FIRE: Dry chemical, CO2, water spray or regular foam. LARGE FIRE: Water spray, fog or regular foam. Do not scatter spilled material with high-pressure water streams. Move containers from fire area if you can do it without risk. Dike fire-control water for later disposal. FIRE INVOLVING TANKS: Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. (ERG, 2016)

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. SPILL: Increase, in the downwind direction, as necessary, the isolation distance shown above. FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent dust cloud. Avoid inhalation of asbestos dust. SMALL DRY SPILL: With clean shovel, place material into clean, dry container and cover loosely; move containers from spill area. SMALL SPILL: Pick up with sand or other non-combustible absorbent material and place into containers for later disposal. LARGE SPILL: Dike far ahead of liquid spill for later disposal. Cover powder spill with plastic sheet or tarp to minimize spreading. Prevent entry into waterways, sewers, basements or confined areas. (ERG, 2016)

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Wear positive pressure self-contained breathing apparatus (SCBA). Structural firefighters' protective clothing will only provide limited protection. (ERG, 2016)

SOIL ANALYSES SHOWED THAT RESIDUES OF CARBOFURAN OR ITS METABOLITES, INCLUDING CARBOFURAN PHENOL, DISAPPEARED RAPIDLY AFTER APPLICATION AS GRANULES OR AS SEED TREATMENT, DROPPING TO ABOUT 0.12 PPM & 0.5 PPM, RESPECTIVELY, AFTER 44 DAYS.

Drug Information

ALFALFA CONTAINING CARBOFURAN RESIDUES WAS ADMIN TO A COW. THESE RESIDUES WERE METABOLIZED AND EXCRETED AS SULFATES OF 3-KETO-7-PHENOL (65%), THE 7-PHENOL (9.4%) AND THE 3,7-DIOL (6.4%).|(14)C-CARBOFURAN WAS APPLIED TO SOLN IN WHICH THE ROOTS OF 3-4 YEAR OLD MUGHO PINE WERE IMMERSED. ... IN ADDN TO TWO UNIDENTIFIED COMPD, CARBOFURAN PHENOL AND LESSER AMOUNTS OF 3-HYDROXYFURAN AND 3-KETOCARBOFURAN PHENOL WERE PRESENT.|RATS WITH THEIR BILE DUCTS CANNULATED WERE GIVEN AN ORAL DOSE OF RING-LABELED CARBOFURAN; WITHIN 48 HR THEY HAD EXCRETED 28.5% OF THE DOSE IN THEIR BILE, 65.4% IN THEIR URINE, AND 0.4% IN THEIR FECES. ...THE RELEASED COMPD...INCLUDED...CARBOFURAN PHENOL...

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Inhalation of material may be harmful. Contact may cause burns to skin and eyes. Inhalation of Asbestos dust may have a damaging effect on the lungs. Fire may produce irritating, corrosive and/or toxic gases. Some liquids produce vapors that may cause dizziness or suffocation. Runoff from fire control may cause pollution. (ERG, 2016)

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. (ERG, 2016)

Carbofuran phenol Use and Manufacturing

7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-: ACTIVE

HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY METHODS FOR THE DETERMINATION OF CARBOFURAN & ITS METABOLITES, INCLUDING CARBOFURAN PHENOL, IN CARROT SAMPLES ARE DESCRIBED.|DETERMINATION OF THE PHENOLIC METABOLITES OF CARBOFURAN, INCLUDING CARBOFURAN PHENOL, IN PEPPERMINT HAY & PEPPERMINT OIL BY MULTIPLE ION DETECTION MASS SPECTROMETRY. THE SENSITIVITY OF THE METHOD WAS 0.1 PPM.|DETERMINATION OF THE PHENOLIC METABOLITES OF CARBOFURAN, INCLUDING CARBOFURAN PHENOL, IN PLANTS BY GAS CHROMATOGRAPHY/MASS SPECTROMETRY. METHOD SENSITIVITIES OF 0.05-0.10 PPM & AVG RECOVERIES OF THE THREE PHENOLIC METABOLITES RANGED FROM 72 TO 104%.

REVERSED-PHASE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHIC SEPARATION OF HUMAN PHENOLIC METABOLITES OF PROPOXUR (BAYGON), CARBARYL, & CARBOFURAN, INCLUDING CARBOFURAN PHENOL.

Transformation products|Environmental transformation -> Pesticide transformation products (metabolite, successor)

Carbofuran-phenol, 7-phenol is a known environmental transformation product of Carbofuran and Carbosulfan.

Computed Properties

Molecular Weight:164.20
XLogP3:2.1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Exact Mass:164.083729621
Monoisotopic Mass:164.083729621
Topological Polar Surface Area:29.5
Heavy Atom Count:12
Complexity:177
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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