UNIROYAL CHEMICAL ROYAL MH PLANT GROWTH REGULANT

Country: Australia

Language: English

Source: APVMA (Australian Pesticides and Veterinary Medicines Authority)

Active ingredient:

MALEIC HYDRAZIDE AS POTASSIUM SALT

Available from:

ARYSTA LIFESCIENCE AUSTRALIA PTY LTD

INN (International Name):

MH as K salt(250g/L)

Pharmaceutical form:

LIQUID CONCENTRATE

Composition:

MALEIC HYDRAZIDE AS POTASSIUM SALT HYDRAZIDE Active 250.0 g/L

Units in package:

200L; 20L

Class:

A - Agricultural

Manufactured by:

CHEMTURA

Therapeutic group:

GARLIC | ONION | POTATO | TOBACCO FLUE CURED | PURPLEFLOWER GARLIC

Therapeutic area:

PLANT REGULATOR

Therapeutic indications:

INHIBITS SPROUTING OF BULBS | INHIBITS SPROUTING OF TUBERS | SUCKER CONTROL | CONTROL OF SUCKERS

Product summary:

Poison schedule: 0; Withholding period: WHP: Tobacco: Do not harvest for 7 days after application.; Host/pest details: GARLIC: [INHIBITS SPROUTING OF BULBS]; ONION: [INHIBITS SPROUTING OF BULBS]; POTATO: [INHIBITS SPROUTING OF TUBERS]; TOBACCO FLUE CURED: [SUCKER CONTROL]; Poison schedule: 0; Withholding period: ; Host/pest details: GARLIC: [INHIBITS SPROUTING OF BULBS]; ONION: [INHIBITS SPROUTING OF BULBS]; POTATO: [INHIBITS SPROUTING OF TUBERS]; TOBACCO FLUE CURED: [SUCKER CONTROL]; For tobacco sucker control and the prevention of premature sprouting in potato tubers, onions, and garlic.See RESTRAINTS on label

Authorization status:

Registered

Authorization date:

2023-07-01

Patient Information leaflet

FRONT Label Size: 185mm High X 175mm Width Prints at 100% A4 100% A3
READ SAFETY DIRECTIONS BEFORE OPENING OR USING
ROYAL MH
PLANT GROWTH REGULANT
®
UNIROYAL CHEMICAL
ACTIVE CONSTITUENT: 250 G/L MALEIC HYDRAZIDE
_(present as the potassium salt)_
FOR TOBACCO SUCKER CONTROL & THE
PREVENTION OF PREMATURE SPROUTING IN
POTATO TUBERS, ONIONS & GARLIC AS SPECIFI ED
IN THE DIRECTIONS FOR USE TABLE
CONTENTS: 20 L
Chemtura Australia Pty Ltd
Level 7, 435 King William Street Adelaide SA 5000
Tel: [phone]
Fax: [phone]
COMCALL 7458 ROYAL LABLE 20L.indd 1
COMCALL 7458 ROYAL LABLE 20L.indd 1
6/12/07 9:45:31 AM
6/12/07 9:45:31 AM
APPROVED
LABEL
Info
PEST


Verified
CROP
MODE OF ACTION
STATE
RATE
CRITICAL COMMENTS
TOBACCO FLUE
CURED
Sucker control
NSW, ACT & Vic
only
8–11 litres per ha in 350–550 litres of water
Spray with fi ne nozzles at pressure of 300–350 kPa. Thoroughly wet
leaves on top
one-third of plant.
POTATOES
Inhibits sprouting
of tubers
Tas, NSW, ACT, Vic,
SA & WA only
11 litres per ha in 500–1000 litres of water
Use no less than 100 litres of water per ha
for aerial application
Spray one week after blossom fall, or two weeks after full bloom. In
varieties or in
conditions when good fl owering does not occur, spray immediately upon
the fi rst
sign of yellowing of the tops, usually 4–6 weeks before the crop is
ready for harvest.
Timing is important as early spraying may reduce crop yield and late
spraying may
reduce effectiveness.
ONIONS
Inhibits sprouting
of bulbs
Spray when onion bulbs are fully mature but still have a soft neck and
3–8 green
leaves. Usually when about 50% of tops are down.
GARLIC
NSW and ACT only
11 litres per hectare in 500 litres of water
Apply 3 weeks before harvest as plants are just beginning to dry.
NOT TO BE USED FOR ANY PURPOSE OR IN ANY MANNER CONTRARY TO THIS LABEL
UNLESS AUTHORISED UNDER APPROPRIATE LEGISLATION.
WITHHOLDING PERIOD:
TOBACCO: DO NOT HARVEST FOR 7 DAYS AFTER APPLICATION.
DO NOT spray crops showing symptoms of foliage damage due to fungal
disease.
D

Summary of Product characteristics

MATERIAL SAFETY DATA SHEET 

UNIROYAL CHEMICAL  
ROYAL MH
®
 PLANT GROWTH REGULANT 

DATE OF ISSUE:  3
rd
 May, 2004 
Page 1 of 4 
STATEMENT OF HAZARDOUS NATURE 
Royal MH has been determined as non-hazardous according to the
criteria of the National 
Occupational Health & Safety Commission. 

COMPANY DETAILS 

COMPANY: 

Crompton Specialties Pty Ltd 
ADDRESS: 

Level 7, 435 King William Street  Adelaide  SA  5000 
TELEPHONE NUMBER: 
(61-8) 8231 5050 
FACSIMILE NUMBER:  
(61-8) 8231 7070 
EMERGENCY TELEPHONE 
NUMBER: 

1800 033 111 

IDENTIFICATION 

PRODUCT NAME: 

Uniroyal Chemical Royal MH Plant Growth Regulant 
OTHER NAMES:  

Maleic hydrazide 
UN NUMBER: 

None allocated 
DANGEROUS GOODS CLASS: 
None allocated 
HAZCHEM CODE: 

None allocated

POISONS SCHEDULE NUMBER:  None allocated 
USE: 

For the control of tobacco suckers and the prevention of 
premature sprouting in potato tubers, onions and garlic. 

PHYSICAL DESCRIPTION / PROPERTIES: 
APPEARANCE AND ODOUR: 
Light brown, medium viscosity liquid 
BOILING POINT:  

Decomposes (maleic hydrazide tech.) 
MELTING POINT: 

292ºC (maleic hydrazide tech.) 
VAPOR PRESSURE (@ 20ºC): 
< 0.1 kPa 
SPECIFIC GRAVITY (H
2
0 = 1): 
1.17 
FLASHPOINT:  
Not 
Available 
FLAMMABILITY LIMITS (%): 
Not Available 
SOLUBILITY: 

Soluble in water. 

OTHER PROPERTIES: 
STABILITY: 

Stable at ambient temperatures and pressures. 
INCOMPATIBILITY:  
Decomposes 
on 
contact 
with strong acids and oxidizing agents.  
Slightly corrosive to zinc and iron. 

INGREDIENTS: 
CHEMICAL ENTITY 
CAS NUMBER 
PROPORTION 
Maleic Hydrazide 
123-33-1 
252.5 g/kg 

MATERIAL SAFETY DATA SHEET 

UNIROYAL CHEMICAL  
ROYAL MH
®
 PLANT GROWTH REGULANT 

DATE OF ISSUE:  3
rd
 May, 2004 
Page 2 of 4 

HEALTH HAZARD INFORMATION 

This product is not classified as hazardous according to the criteria
of the National Occupational 
Healt