3,6-二羟基哒嗪（CAS 123-33-1）：分子式 C4H4N2O2、分子量 112.09。
| CAS号 | 123-33-1 |
|---|---|
| 分子式 | C4H4N2O2 |
| 分子量 | 112.09 |
| 熔点 | 298-300 °C |
| LogP | -0.63 |
| 应用领域 | Uses: Used as a herbicide and plant growth inhibitor、e.g.、to control sucker growth on tobacco and to inhibit sprouting of potatoes and onions、[HSDB] A plant growth regulator and herbicide used to control sprouting of potatoes and onions、suckers in tobacco、and weeds、grasses、and trees in and along turf、ornamentals、public easements、and industrial and commercial land、[Reference #1]、Farming (Pesticides) [Category: Industry]、For maleic hydrazide (USEPA、OPP Pesticide Code: 051501) ACTIVE products with label matches.、SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Experimentally in horticulture and agriculture. ...In synthesis of pyridazine.、Post-harvest sprouting inhibitor、weed control、sugar content stabilizer in beets.、Use as over-the-top foliar spray、For more Uses (Complete) data for MALEIC HYDRAZIDE (13 total)、please visit the HSDB record page.、This is a man-made compound that is used as a pesticide.、Use Classification: Herbicides、Plant growth regulators、Environmental transformation -> Pesticide transformation products (metabolite、successor)、Methods of Manufacturing: ... By treating maleic anhydride with hydrazine hydrate in alcohol、from maleic acid and a hydrazine salt of a strong inorganic acid、alternate preparation from hydrazine sulfate and maleic anhydride in aqueous sodium hydroxide、alternate preparation from hydrazine hydrate and maleic anhydride in glacial acetic acid.、Maleic hydrazide is the product of the reaction of maleic anhydride and hydrazine hydrochloride.、Impurities: Technical grade maleic hydrazide contains hydrazine as a contaminant.、Products can contain small amount of hydrazide as impurity.、Formulations、Preparations: Maleic hydrazide is available as technical grade material containing 97% min a.i. and less than 1% anionic wetting agent. It is also offered for sale as EC or WP for agricultural uses in form of its potassium salt or its diethanolamine salt. Products can contain small amount of hydrazine as impurity.、MH-30: diethanolamine salt contains 3.5 lb maleic hydrazide、imp gal. Used at 9.5-0.25% maleic hydrazide as herbicide、0.1-0.5% as growth inhibitor and 0.025% to prevent pollen germination as 4-6 lb、acre for chemical grass mowing.、Combinations: BH 43 (with 2、4-D)、Water-soluble liquids、For more Formulations、Preparations (Complete) data for MALEIC HYDRAZIDE (22 total)、Consumption Patterns: Plant growth regulator for tobacco、90%、for potatoes & onions、10% (1983 est)、U.S. Production: (1977) PROBABLY GREATER THAN 9.08X10+6 G、(1991) Exceeded 5000 lb or US $5000 in value、General Manufacturing Information: 3、6-Pyridazinedione、1、2-dihydro-: ACTIVE、... Is not effective through soil application.、All uses of the diethanolamine salt in the United States were suspended on October 31、1981、but the material may be manufactured for export and growers may use any material still on hand.、Maleic hydrazide diethanolamine salt |
登记用途：Uses: Used as a herbicide and plant growth inhibitor、e.g.、to control sucker growth on tobacco and to inhibit sprouting of potatoes and onions、[HSDB] A plant growth regulator and herbicide used to control sprouting of potatoes and onions、suckers in tobacco、and weeds、grasses、and trees in and along turf、ornamentals、public easements、and industrial and commercial land、[Reference #1]、Farming (Pesticides) [Category: Industry]、For maleic hydrazide (USEPA、OPP Pesticide Code: 051501) ACTIVE products with label matches.、SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Experimentally in horticulture and agriculture. ...In synthesis of pyridazine.、Post-harvest sprouting inhibitor、weed control、sugar content stabilizer in beets.、Use as over-the-top foliar spray、For more Uses (Complete) data for MALEIC HYDRAZIDE (13 total)、please visit the HSDB record page.、This is a man-made compound that is used as a pesticide.、Use Classification: Herbicides、Plant growth regulators、Environmental transformation -> Pesticide transformation products (metabolite、successor)、Methods of Manufacturing: ... By treating maleic anhydride with hydrazine hydrate in alcohol、from maleic acid and a hydrazine salt of a strong inorganic acid、alternate preparation from hydrazine sulfate and maleic anhydride in aqueous sodium hydroxide、alternate preparation from hydrazine hydrate and maleic anhydride in glacial acetic acid.、Maleic hydrazide is the product of the reaction of maleic anhydride and hydrazine hydrochloride.、Impurities: Technical grade maleic hydrazide contains hydrazine as a contaminant.、Products can contain small amount of hydrazide as impurity.、Formulations、Preparations: Maleic hydrazide is available as technical grade material containing 97% min a.i. and less than 1% anionic wetting agent. It is also offered for sale as EC or WP for agricultural uses in form of its potassium salt or its diethanolamine salt. Products can contain small amount of hydrazine as impurity.、MH-30: diethanolamine salt contains 3.5 lb maleic hydrazide、imp gal. Used at 9.5-0.25% maleic hydrazide as herbicide、0.1-0.5% as growth inhibitor and 0.025% to prevent pollen germination as 4-6 lb、acre for chemical grass mowing.、Combinations: BH 43 (with 2、4-D)、Water-soluble liquids、For more Formulations、Preparations (Complete) data for MALEIC HYDRAZIDE (22 total)、Consumption Patterns: Plant growth regulator for tobacco、90%、for potatoes & onions、10% (1983 est)、U.S. Production: (1977) PROBABLY GREATER THAN 9.08X10+6 G、(1991) Exceeded 5000 lb or US $5000 in value、General Manufacturing Information: 3、6-Pyridazinedione、1、2-dihydro-: ACTIVE、... Is not effective through soil application.、All uses of the diethanolamine salt in the United States were suspended on October 31、1981、but the material may be manufactured for export and growers may use any material still on hand.、Maleic hydrazide diethanolamine salt。
3,6-二羟基哒嗪 是一种化工化合物，登记 CAS 号为 123-33-1，分子式 C4H4N2O2（分子量 112.09）。
登记 CAS 号：123-33-1
其分子式 C4H4N2O2 由 4 个碳、4 个氢、2 个氮、2 个氧 组成。
别名/同义词：3,6-二羟基哒嗪 · 3,6-Dihydroxypyridazine
3,6-二羟基哒嗪 的 CAS 登记号为 123-33-1。
分子式 C4H4N2O2，分子量 112.09。
别名/同义词：3,6-二羟基哒嗪、3,6-Dihydroxypyridazine。
登记用途：Uses: Used as a herbicide and plant growth inhibitor、e.g.、to control sucker growth on tobacco and to inhibit sprouting of potatoes and onions、[HSDB] A plant growth regulator and herbicide used to control sprouting of potatoes and onions、suckers in tobacco、and weeds、grasses、and trees in and along turf、ornamentals、public easements、and industrial and commercial land、[Reference #1]、Farming (Pesticides) [Category: Industry]、For maleic hydrazide (USEPA、OPP Pesticide Code: 051501) ACTIVE products with label matches.、SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Experimentally in horticulture and agriculture. ...In synthesis of pyridazine.、Post-harvest sprouting inhibitor、weed control、sugar content stabilizer in beets.、Use as over-the-top foliar spray、For more Uses (Complete) data for MALEIC HYDRAZIDE (13 total)、please visit the HSDB record page.、This is a man-made compound that is used as a pesticide.、Use Classification: Herbicides、Plant growth regulators、Environmental transformation -> Pesticide transformation products (metabolite、successor)、Methods of Manufacturing: ... By treating maleic anhydride with hydrazine hydrate in alcohol、from maleic acid and a hydrazine salt of a strong inorganic acid、alternate preparation from hydrazine sulfate and maleic anhydride in aqueous sodium hydroxide、alternate preparation from hydrazine hydrate and maleic anhydride in glacial acetic acid.、Maleic hydrazide is the product of the reaction of maleic anhydride and hydrazine hydrochloride.、Impurities: Technical grade maleic hydrazide contains hydrazine as a contaminant.、Products can contain small amount of hydrazide as impurity.、Formulations、Preparations: Maleic hydrazide is available as technical grade material containing 97% min a.i. and less than 1% anionic wetting agent. It is also offered for sale as EC or WP for agricultural uses in form of its potassium salt or its diethanolamine salt. Products can contain small amount of hydrazine as impurity.、MH-30: diethanolamine salt contains 3.5 lb maleic hydrazide、imp gal. Used at 9.5-0.25% maleic hydrazide as herbicide、0.1-0.5% as growth inhibitor and 0.025% to prevent pollen germination as 4-6 lb、acre for chemical grass mowing.、Combinations: BH 43 (with 2、4-D)、Water-soluble liquids、For more Formulations、Preparations (Complete) data for MALEIC HYDRAZIDE (22 total)、Consumption Patterns: Plant growth regulator for tobacco、90%、for potatoes & onions、10% (1983 est)、U.S. Production: (1977) PROBABLY GREATER THAN 9.08X10+6 G、(1991) Exceeded 5000 lb or US $5000 in value、General Manufacturing Information: 3、6-Pyridazinedione、1、2-dihydro-: ACTIVE、... Is not effective through soil application.、All uses of the diethanolamine salt in the United States were suspended on October 31、1981、but the material may be manufactured for export and growers may use any material still on hand.、Maleic hydrazide diethanolamine salt。
3,6-二羟基哒嗪（CAS 123-33-1）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 123-33-1 |
|---|---|
| PubChem CID | 21954 |
| Molecular formula | C4H4N2O2 |
| IUPAC name | 1,2-dihydropyridazine-3,6-dione |
| UNII (FDA) | TQ7L3FCV66 |
| Molecular Weight | 112.09 |
|---|---|
| XLogP3 | -0.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 112.027277375 |
| Monoisotopic Mass | 112.027277375 |
| Topological Polar Surface Area | 58.2 |
| Heavy Atom Count | 8 |
| Melting Point | 298-300 °C |
|---|---|
| Flash Point | 572 °F (300 °C) (Closed cup) |
| Solubility | In water, 4,507 mg/L at 25 °C |
| Density | 1.60 at 25 °C |
| Density | 1.6 @25 °C |
| Vapor Pressure | 0.00000277 [mmHg] |
| Vapor Pressure | 7.5X10-8 mm Hg at 25 °C |
| LogP | -0.63 |
| Decomposition | DT50 (25 °C) 58 days (pH 5, 7), 34 days (pH 9). |
| Dissociation Constants | pKa = 5.62 at 20 °C |
MALEIC HYDRAZIDE; 123-33-1; 3,6-Dihydroxypyridazine; 3,6-Pyridazinediol; 1,2-Dihydropyridazine-3,6-dione; 3,6-Pyridazinedione, 1,2-dihydro-; 1,2-Dihydro-3,6-pyridazinedione; Maleic acid hydrazide; Stuntman; Vondalhyde; Malzid; Retard; Sucker-Stuff; Antergon; Antyrost; Malazide
| GHS notification summary | 42.5% (34 / 80) |
|---|
| GHS notification summary | 42.5% (34 / 80) |
|---|---|
| Reported hazard statements | H315 (57.5%), H319 (57.5%), H335 (56.2%), H341 (56.2%), H302 (100%) |
This chemical does not meet GHS hazard criteria for 42.5% (34 of 80) of reports.
H315 (57.5%): Causes skin irritation [Warning Skin corrosion/irritation]
3,6-Dihydroxypyridazine · CAS 123-33-1 · C4H4N2O2. UNII TQ7L3FCV66. Melting Point: 298-300 °C; Flash Point: 572 °F (300 °C) (Closed cup); Solubility: In water, 4,507 mg/L at 25 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 3,6-Dihydroxypyridazine