Activated Carbon
Description
ETHEPHON 90% TECH Growth Regulators In Plants CAS 16672-87-0
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Description
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Common name | Ethephon |
Chemical name | 2-chloroethylphosphonic acid |
Molecular Formula | C2H6ClO3P |
CAS no. | 16672-80-07 |
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Specifications
Appearance: colorless solid
Melting point: 74 - 75oC
Vapor pressure: c. 265oC (decomp.)
Boiling point range <0.01mPa (20oC)
S.g./density: 1.409?.02 (20oC, tech.)
Solubility:
??? a) Readily soluble in water, methanol, ethanol, isopropanol, acetone, diethyl ether,?and other polar organic solvents
??? b) Sparingly soluble in non-polar organic solvents such as benzene and toluene
??? c) Insoluble in kerosene and diesel oil
Stability: stable in aqueous solutions having pH <5; at higher pH, decomposition?occurs with the liberation of ethylene
Sensitive to UV irradiation
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80%, 85%, 91% tech and 70%, 75% liquid for tech.
?Formulation:?1000g/L,?800g/L,?720g/L,?660g/L,?480g/L and 40% (w/w) SL for formulation;10%, 5% and 2.5% for rubber stimulant
Analysis: GC (HG 2311-92) or analysis by measuring the ethylene produced on treatment?with concentrated alkali
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Oral: acute oral LD50?for rats 4229mg/kg
Skin and eyes: acute percutaneous LD50?for rabbits 5730mg/kg; irritating?to skin and eyes
Inhalation: LC50?(4h) for rats 6.26mg/L
NOEL: (2 y) for rats 3000ppm diet
ADI: (JMPR) 0.05mg/kg b.w.
Birds: acute oral LD50?for bobwhite quails 1072mg/kg
Fish: LC50?(96h) for carp >140, rainbow trout 720mg/L
Bees: not toxic to bees
Daphnia: EC50?(48h) 577.4mg/L
Packaging:??25L,?120L,?200L/plastic drum
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Applications
1) Action: a plant growth regulator with systemic properties, Ethephon penetratesplant tissue and is decomposed to ethylene; which?affects growth processes.
2) Uses:
??? a) To accelerate ripening of fruit, tomatoes, sugar beet, coffee, etc.
??? b) To increase the tillering of wheat and rice
??? c) To prevent lodging in rice, maize and flax
??? d) To accelerate boll opening and defoliation in cotton
??? e) To hasten the yellowing of mature tobacco leaves
??? f) To stimulate latex flow in rubber trees, and resin flow in pine trees
??? g) To stimulate early uniform hull split in walnuts, etc.
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Qida Chemical Co., Ltd
Fatty Amines,Tertiary Amines,Quaternary Ammonium Salt
Address: 3-2001 Jiaye Int鈥瞝 Town, 158 Lushan Road, Nanjing, 210019, China,
Nanjing, Jiangsu
China, 210019
Tel: 86-25-86460031
Fax: 86-25-86462151
