2,4-Dichlorophenoxyacetic acid

A matsayin daya daga cikin mafi rahusa kuma mafi tsufa masu kashe ciyawa, 2,4-Dichlorophenoxyacetic acid (wanda aka fi sani da 2,4-D) shine tsarin ciyawa wanda ake amfani dashi a ko'ina cikin duniya.

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Tags

Lambar CAS: 94-75-7

Ma'ana: 2,4-D; 2,4-D ACID; 2,4-dichlorofenoxyacetic

Tsarin kwayoyin halitta: C8H6Cl2O3

Nauyin Kwayoyin: 221.04

2,4-Dichlorophenoxyacetic acid Properties

Wurin narkewa	136-140 ° C (lit.)
Wurin tafasa	160 °C (0.4 mmHg)
Yawan yawa	1.563
tururi matsa lamba	0.4 mmHg (160 ° C)
refractive index	1.5000 (kimanta)
Ma'anar walƙiya	160°C/0.4mm
yanayin ajiya.	2-8 ° C
narkewa	Mai narkewa a cikin kaushi na halitta (ethanol, acetone, dioxane)
pka	pK1: 2.64 (25°C)
tsari	crystalline
launi	kashe-fari zuwa tan
Farashin PH	Acid
Ƙunƙarar ƙamshi	3.13 ppm
Ruwan Solubility	Dan mai narkewa. Bazuwar 0.0890 g/100 ml
Kwanciyar hankali	Barga, amma danshi-m kuma yana iya zama mai haske. Wanda bai dace ba tare da masu ƙarfi mai ƙarfi, yana lalata ƙarfe da yawa. Bazuwar cikin ruwa.

Bayanin Haɗari da Tsaro

Alamar (GHS)	GHS05, GHS07, GHS09
Kalmar sigina	hadari
Lambobin haɗari	Xn, Xi, T, F
RIDDAR	UN 3077 9/PG 3
Zazzabi mai sarrafa kansa	180 °C
Farashin TSCA	Ee
HazardClass	6.1
Rukunin tattarawa	III
HS Code	29189090

2,4-Dichlorophenoxyacetic acid Abubuwan Sinadarai da Amfani

A matsayin daya daga cikin mafi rahusa kuma mafi tsufa masu kashe ciyawa, 2,4-Dichlorophenoxyacetic acid (wanda aka fi sani da 2,4-D) shine tsarin ciyawa wanda ake amfani dashi a ko'ina cikin duniya. Yana da tasiri a zaɓi kashe ciyayi iri-iri na ƙasa da na ruwa ba tare da shafar yawancin ciyawa ba, kamar hatsi, ciyawa, da ciyayi. A zamanin yau, 2,4-D ana amfani dashi sosai don magance ciyayi maras so a wurare daban-daban. A fagen gandun daji, ana amfani da shi don maganin kututture, alluran gangar jikin, zaɓin sarrafa goga a cikin gandun daji na conifer kuma ana amfani da shi don kashe ciyayi da goga a kan tituna, layin dogo, da layukan wutar lantarki waɗanda ƙila suna lalata kayan aiki ko kuma su hana aiki lafiya. Bayan haka, ana amfani da shi don sarrafa ciyawa na ruwa don kare lafiyar kwale-kwale, kamun kifi da ninkaya ko kariyar kayan aikin wutar lantarki. Haka kuma ana amfani da ita wajen shawo kan yaduwar nau'in ciyawa da ke damun jama'a da kuma wadanda ba na asali ba ta hanyar gwamnati da kuma sarrafa ciyayi masu guba iri-iri kamar su dafi da itacen oak. A cikin jaraba ga yin amfani da gandun daji, 2,4-D kuma ana iya amfani dashi azaman kari a cikin kafofin watsa labarai na al'adun sel a cikin dakunan gwaje-gwaje azaman hormone na daban.

Kayayyakin namu sun haɗa da:

2,4-D 96% TC

2,4-D 98% TC

2,4-D 2.4%+Glyphosate 30% SL

2,4-D 240g/l + Picloram 64g/l SL

Glufosinate-Ammonium 10% + 2,4-D 2% SL

Dicamba 10.3%+2,4-D 29.7% SL

Bentazone 40%+2,4-D 5% ME

2,4-D 0.3% + 6-benzylamino-purine 3% ME

2, 4-D dimethylamine gishiri 600g/L SL

2, 4-D dimethylamine gishiri 720g/L SL

2, 4-D dimethylamine gishiri 860g/L SL