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赤霉素

赤霉素用途

1.本品对棉花、葡萄、蔬菜有显著的增产效果。能促进种子发芽、植物生长和提早开花。使用时可采用涂抹、拌种、蘸根、喷雾等。赤霉素粉配用时,可先将其溶于少量酒精或白酒中。

2.高效植物生长调节剂。能促进作物生长发育,提早成熟,改进品质,提高产量。它能迅速打破种子、块茎和鳞茎等器官休眠,促进发芽少蕾、花、铃、果实的脱落,提高果实结实率或形成无籽果实。可用于水稻、麦类、棉花、果树、蔬菜等作物,促进其生长、发芽、开花、结果。赤霉素不论是喷雾、涂抹、蘸根,对不同作物都有增产作用,但施用过多的赤霉素,植物会出现黄而细长的枝条,即失绿、徒长现象,反而影响产量。赤霉素还可用于从大麦制造麦芽。它对昆虫的发育也有促进作用。
3.赤霉酸有雌激素样活性,可促进细胞寿命延长和刺激细胞的分裂,用于发制品中能促进头皮血液循环,减少头屑的生成并刺激头发生长,防止脱发。在肤用品中使用能抑制黑色素的生成,使皮肤上有色痣斑如雀斑色泽变淡同时增白皮肤。赤霉酸可在化妆品中安全使用。

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赤霉素名称

[ CAS 号 ]:
77-06-5

[ 中文名 ]:
赤霉酸

[ 英文名 ]:
Gibberellins

[中文别名 ]:

[英文别名 ]:

赤霉素生物活性

[ 描述 ]:

Gibberellic Acid 由真菌 Gibberella fujikuroi 命名而来。Gibberellic Acid 调节植物发育和生长的过程,包括种子发育和发芽,茎和根的生长,细胞分裂和开花时间。

[ 相关类别 ]:

研究领域 >> 其他
信号通路 >> 其他 >> 其他

[参考文献]

[1]. Kwon CT, et al. Gibberellic Acid: A Key Phytohormone for Spikelet Fertility in Rice Grain Production. Int J Mol Sci. 2016 May 23;17(5).

赤霉素物理化学性质

[ 密度 ]:
1.5±0.1 g/cm3

[ 沸点 ]:
628.6±55.0 °C at 760 mmHg

[ 熔点 ]:
227 °C

[ 分子式 ]:
C19H22O6

[ 分子量 ]:
346.374

[ 闪点 ]:
231.4±25.0 °C

[ 精确质量 ]:
346.141632

[ PSA ]:
104.06000

[ LogP ]:
0.01

[ 外观性状 ]:
白色结晶粉末

[ 蒸汽压 ]:
0.0±4.2 mmHg at 25°C

[ 折射率 ]:
1.661

[ 储存条件 ]:
库房通风低温干燥,与食品原料分开储运

[ 稳定性 ]:
Stable. Combustible. Incompatible with acids, strong oxidizing agents.

[ 水溶解性 ]:
5 G/L (20 º C)

赤霉素MSDS

赤霉素毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LY8990000
CHEMICAL NAME :
Gibberellic acid
CAS REGISTRY NUMBER :
77-06-5
BEILSTEIN REFERENCE NO. :
0054346
LAST UPDATED :
199706
DATA ITEMS CITED :
13
MOLECULAR FORMULA :
C19-H22-O6
MOLECULAR WEIGHT :
346.41

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
8500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
142 gm/kg/78W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Amphibian - toad
DOSE/DURATION :
13200 mg/kg/22W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

MUTATION DATA

TYPE OF TEST :
DNA damage
TEST SYSTEM :
Mammal - species unspecified Lymphocyte
DOSE/DURATION :
1 mmol/L
REFERENCE :
PYTCAS Phytochemistry. An International Journal of Plant Biochemistry. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1961- Volume(issue)/page/year: 11,3135,1972 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83979 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 297 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83979 No. of Facilities: 10 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 249 (estimated) No. of Female Employees: 144 (estimated)
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赤霉素安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H319

[ 警示性声明 ]:
P305 + P351 + P338

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xi:Irritant

[ 风险声明 (欧洲) ]:
R36

[ 安全声明 (欧洲) ]:
26-36

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
LY8990000

[ 危险类别 ]:
5.2

[ 海关编码 ]:
29322980

赤霉素上下游产品

赤霉素上游产品

赤霉素下游产品

赤霉素制备

1.由gibberella fujikuroi菌种培养液通入无菌空气发酵后提炼精制而得。接种量为最终发酵罐液的4%,在温度为25~30℃下,不断搅拌和通风,搅拌过程中,用十八碳醇做抗沫剂。发酵完毕后,溶液用氢氧化钡沉淀并过滤。然后在阳离子交换树脂上,在pH=50时吸附并用NH3或其他碱性缓冲液洗脱,再进行精制处理而得。

2.赤霉素可用发酵方法生产。利用赤霉菌在麸皮、蔗糖和无机盐等培养基中进行发酵,赤霉菌代谢产生赤霉素,发酵液经溶媒提取、浓缩即得。

3.现都采用发酵法制取。发酵液经过离子交换树脂 Amberlite XAD-4柱,水洗至干净后,以90%丙酮的水溶液洗脱,收集洗脱液并且浓缩干燥,成品中赤霉酸含量90%以上。

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赤霉素海关

[ 海关编码 ]: 29322980

赤霉素文献

Cotton WRKY1 mediates the plant defense-to-development transition during infection of cotton by Verticillium dahliae by activating JASMONATE ZIM-DOMAIN1 expression.

Plant Physiol. 166(4) , 2179-94, (2014)

Plants have evolved an elaborate signaling network to ensure an appropriate level of immune response to meet the differing demands of developmental processes. Previous research has demonstrated that D...

Gibberellin Promotes Shoot Branching in the Perennial Woody Plant Jatropha curcas.

Plant Cell Physiol. 56 , 1655-66, (2015)

Strigolactone (SL), auxin and cytokinin (CK) interact to regulate shoot branching. CK has long been considered to be the only key phytohormone to promote lateral bud outgrowth. Here we report that gib...

SCARECROW-LIKE15 interacts with HISTONE DEACETYLASE19 and is essential for repressing the seed maturation programme.

Nat. Commun. 6 , 7243, (2015)

Epigenetic regulation of gene expression is critical for controlling embryonic properties during the embryo-to-seedling phase transition. Here we report that a histone deacetylase19 (HDA19)-associated...


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【赤霉素】化源网提供赤霉素CAS号77-06-5,赤霉素MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询赤霉素上化源网,专业又轻松。>>电脑版:赤霉素

标题:赤霉素_MSDS_用途_密度_赤霉素CAS号【77-06-5】_化源网 地址:https://m.chemsrc.com/mip/cas/77-06-5_752249.html